diff.txt

diff --git a/apiserver/apiserver/api/management/commands/run_hourly.py b/apiserver/apiserver/api/management/commands/run_hourly.py
index 1a5cb29..8ccac91 100644
--- a/apiserver/apiserver/api/management/commands/run_hourly.py
+++ b/apiserver/apiserver/api/management/commands/run_hourly.py
@@ -15,7 +15,7 @@ class Command(BaseCommand):
 
         # do this hourly in case an admin causes a change
         models.StatsMemberCount.objects.update_or_create(
-            date=utils.today_alberta_tz(),
+            date=utils.today_local_tz(),
             defaults=dict(
                 member_count=counts['member_count'],
                 green_count=counts['green_count'],
@@ -26,7 +26,7 @@ class Command(BaseCommand):
         )
 
         models.StatsSignupCount.objects.update_or_create(
-            month=utils.today_alberta_tz().replace(day=1),
+            month=utils.today_local_tz().replace(day=1),
             defaults=dict(signup_count=signup_count),
         )
 
@@ -45,7 +45,7 @@ class Command(BaseCommand):
         # within 6-7 hours from now
         count = 0
 
-        now = utils.now_alberta_tz()
+        now = utils.now_local_tz()
         current_hour_start = now.replace(minute=0, second=0, microsecond=0)
 
         in_six_hours = current_hour_start + timedelta(hours=6)
@@ -104,7 +104,7 @@ class Command(BaseCommand):
         # that happened 6-7 hours ago if they haven't already
         count = 0
 
-        now = utils.now_alberta_tz()
+        now = utils.now_local_tz()
         current_hour_start = now.replace(minute=0, second=0, microsecond=0)
 
         six_hours_ago = current_hour_start - timedelta(hours=6)
diff --git a/apiserver/apiserver/api/management/commands/run_weekly.py b/apiserver/apiserver/api/management/commands/run_weekly.py
index 22b3a18..b73b127 100644
--- a/apiserver/apiserver/api/management/commands/run_weekly.py
+++ b/apiserver/apiserver/api/management/commands/run_weekly.py
@@ -20,7 +20,7 @@ class Command(BaseCommand):
             paused_date__isnull=True
         )
 
-        today = utils.today_alberta_tz()
+        today = utils.today_local_tz()
         _, this_week, _ = today.isocalendar()
 
         members_to_remind = active_subsidized_members.filter(application_date__week=this_week)
diff --git a/apiserver/apiserver/api/models.py b/apiserver/apiserver/api/models.py
index 0f84c89..2da8f98 100644
--- a/apiserver/apiserver/api/models.py
+++ b/apiserver/apiserver/api/models.py
@@ -6,15 +6,16 @@ from django.contrib.contenttypes.models import ContentType
 from django.utils.timezone import now, pytz
 from simple_history.models import HistoricalRecords
 from simple_history import register
+from .. import settings
 
-TIMEZONE_CALGARY = pytz.timezone('America/Edmonton')
+DISPLAY_TZ = pytz.timezone(settings.DISPLAY_TIMEZONE)
 
 register(User)
 
 IGNORE = '+'
 
-def today_alberta_tz():
-    return datetime.now(TIMEZONE_CALGARY).date()
+def today_local_tz():
+    return datetime.now(DISPLAY_TZ).date()
 
 class Member(models.Model):
     user = models.OneToOneField(User, related_name='member', blank=True, null=True, on_delete=models.SET_NULL)
@@ -44,9 +45,9 @@ class Member(models.Model):
     is_instructor = models.BooleanField(default=False)
     is_vetter = models.BooleanField(default=False)
     status = models.CharField(max_length=32, blank=True, null=True)
-    expire_date = models.DateField(default=today_alberta_tz, null=True)
-    current_start_date = models.DateField(default=today_alberta_tz, null=True)
-    application_date = models.DateField(default=today_alberta_tz, null=True)
+    expire_date = models.DateField(default=today_local_tz, null=True)
+    current_start_date = models.DateField(default=today_local_tz, null=True)
+    application_date = models.DateField(default=today_local_tz, null=True)
     vetted_date = models.DateField(blank=True, null=True)
     orientation_date = models.DateField(blank=True, null=True, default=None)
     lathe_cert_date = models.DateField(blank=True, null=True, default=None)
@@ -80,7 +81,7 @@ class Transaction(models.Model):
     recorder = models.ForeignKey(User, related_name=IGNORE, blank=True, null=True, on_delete=models.SET_NULL)
 
     member_id = models.IntegerField(blank=True, null=True)
-    date = models.DateField(default=today_alberta_tz)
+    date = models.DateField(default=today_local_tz)
     amount = models.DecimalField(max_digits=7, decimal_places=2)
     reference_number = models.CharField(max_length=64, blank=True, null=True)
     memo = models.TextField(blank=True, null=True)
@@ -176,7 +177,7 @@ class Session(models.Model):
     list_display = ['datetime', 'course', 'instructor']
     search_fields = ['datetime', 'course__name', 'instructor__username']
     def __str__(self):
-        return '%s @ %s' % (self.course.name, self.datetime.astimezone(TIMEZONE_CALGARY).strftime('%Y-%m-%d %-I:%M %p'))
+        return '%s @ %s' % (self.course.name, self.datetime.astimezone(DISPLAY_TZ).strftime('%Y-%m-%d %-I:%M %p'))
 
 class Training(models.Model):
     user = models.ForeignKey(User, related_name='training', blank=True, null=True, on_delete=models.SET_NULL)
@@ -184,7 +185,7 @@ class Training(models.Model):
 
     member_id = models.IntegerField(blank=True, null=True)
     attendance_status = models.TextField(blank=True, null=True)
-    sign_up_date = models.DateField(default=today_alberta_tz, blank=True, null=True)
+    sign_up_date = models.DateField(default=today_local_tz, blank=True, null=True)
     paid_date = models.DateField(blank=True, null=True)
 
     history = HistoricalRecords()
@@ -210,7 +211,7 @@ class MetaInfo(models.Model):
     backup_id = models.TextField()
 
 class StatsMemberCount(models.Model):
-    date = models.DateField(default=today_alberta_tz)
+    date = models.DateField(default=today_local_tz)
     member_count = models.IntegerField()
     green_count = models.IntegerField()
     six_month_plus_count = models.IntegerField()
@@ -230,7 +231,7 @@ class StatsSignupCount(models.Model):
     search_fields = ['month', 'signup_count', 'retain_count', 'vetted_count']
 
 class StatsSpaceActivity(models.Model):
-    date = models.DateField(default=today_alberta_tz)
+    date = models.DateField(default=today_local_tz)
     card_scans = models.IntegerField()
 
     list_display = ['date', 'card_scans']
diff --git a/apiserver/apiserver/api/serializers.py b/apiserver/apiserver/api/serializers.py
index 9c9180e..56d44c3 100644
--- a/apiserver/apiserver/api/serializers.py
+++ b/apiserver/apiserver/api/serializers.py
@@ -770,7 +770,7 @@ class CourseListSerializer(CourseSerializer):
         fields = ['id', 'name', 'is_old', 'description', 'tags', 'num_interested', 'recent_date', 'is_archived']
 
     def get_is_archived(self, obj):
-        fourteen_months_ago = utils.now_alberta_tz() - datetime.timedelta(days=425)
+        fourteen_months_ago = utils.now_local_tz() - datetime.timedelta(days=425)
         recent_date = getattr(obj, 'recent_date', None)
 
         if recent_date == None or recent_date < fourteen_months_ago:
@@ -859,7 +859,7 @@ class CourseDetailSerializer(serializers.ModelSerializer):
 
     def get_suggestion(self, obj):
         def iter_dates():
-            start_of_month = utils.today_alberta_tz().replace(day=1)
+            start_of_month = utils.today_local_tz().replace(day=1)
             for i in range(90):
                 yield start_of_month + datetime.timedelta(days=i)
 
@@ -873,14 +873,14 @@ class CourseDetailSerializer(serializers.ModelSerializer):
                     yield date
 
         def next_date(weekday, week_num=False, fake_start=False):
-            start = fake_start or utils.today_alberta_tz()
+            start = fake_start or utils.today_local_tz()
             for date in iter_matching_dates(weekday, week_num):
                 if date > start:
                     return date
             raise
 
         def course_is_usually_monthly(course):
-            two_months_ago = utils.now_alberta_tz() - datetime.timedelta(days=61)
+            two_months_ago = utils.now_local_tz() - datetime.timedelta(days=61)
             recent_sessions = obj.sessions.filter(datetime__gte=two_months_ago)
             if recent_sessions.count() < 3:
                 return True
@@ -893,7 +893,7 @@ class CourseDetailSerializer(serializers.ModelSerializer):
             date = next_date(calendar.SATURDAY, week_num=3)
             time = datetime.time(10, 0)
             dt = datetime.datetime.combine(date, time)
-            dt = utils.TIMEZONE_CALGARY.localize(dt)
+            dt = utils.DISPLAY_TZ.localize(dt)
             cost = 0
             max_students = None
         elif obj.id == 317:
@@ -901,7 +901,7 @@ class CourseDetailSerializer(serializers.ModelSerializer):
             # but December's gets skipped
             next_month = next_date(calendar.WEDNESDAY, week_num=3).month
             if next_month == 12:
-                one_month_ahead = utils.today_alberta_tz() + datetime.timedelta(days=31)
+                one_month_ahead = utils.today_local_tz() + datetime.timedelta(days=31)
                 date = next_date(calendar.THURSDAY, week_num=3, fake_start=one_month_ahead)
             elif next_month % 2 == 0:
                 date = next_date(calendar.WEDNESDAY, week_num=3)
@@ -909,7 +909,7 @@ class CourseDetailSerializer(serializers.ModelSerializer):
                 date = next_date(calendar.THURSDAY, week_num=3)
             time = datetime.time(19, 0)
             dt = datetime.datetime.combine(date, time)
-            dt = utils.TIMEZONE_CALGARY.localize(dt)
+            dt = utils.DISPLAY_TZ.localize(dt)
             cost = 0
             max_students = None
         elif prev_session:
@@ -921,7 +921,7 @@ class CourseDetailSerializer(serializers.ModelSerializer):
                 offset_weeks = 1
             dt = dt + datetime.timedelta(weeks=offset_weeks)
 
-            five_days_from_now = utils.now_alberta_tz() + datetime.timedelta(days=5)
+            five_days_from_now = utils.now_local_tz() + datetime.timedelta(days=5)
             while dt < five_days_from_now:
                 dt = dt + datetime.timedelta(weeks=offset_weeks)
 
diff --git a/apiserver/apiserver/api/tests.py b/apiserver/apiserver/api/tests.py
index a979a45..2bb5868 100644
--- a/apiserver/apiserver/api/tests.py
+++ b/apiserver/apiserver/api/tests.py
@@ -126,7 +126,7 @@ class TestAddMonths(TestCase):
 
 class TestCalcStatus(TestCase):
     def test_calc_member_status_14_days(self):
-        expire_date = utils.today_alberta_tz() + datetime.timedelta(days=14)
+        expire_date = utils.today_local_tz() + datetime.timedelta(days=14)
 
         status = utils.calc_member_status(expire_date)
 
@@ -141,28 +141,28 @@ class TestCalcStatus(TestCase):
         self.assertEqual(status, 'Current')
 
     def test_calc_member_status_90_days(self):
-        expire_date = utils.today_alberta_tz() + datetime.timedelta(days=90)
+        expire_date = utils.today_local_tz() + datetime.timedelta(days=90)
 
         status = utils.calc_member_status(expire_date)
 
         self.assertEqual(status, 'Prepaid')
 
     def test_calc_member_status_tomorrow(self):
-        expire_date = utils.today_alberta_tz() + datetime.timedelta(days=1)
+        expire_date = utils.today_local_tz() + datetime.timedelta(days=1)
 
         status = utils.calc_member_status(expire_date)
 
         self.assertEqual(status, 'Current')
 
     def test_calc_member_status_today(self):
-        expire_date = utils.today_alberta_tz()
+        expire_date = utils.today_local_tz()
 
         status = utils.calc_member_status(expire_date)
 
         self.assertEqual(status, 'Due')
 
     def test_calc_member_status_yesterday(self):
-        expire_date = utils.today_alberta_tz() - datetime.timedelta(days=1)
+        expire_date = utils.today_local_tz() - datetime.timedelta(days=1)
 
         status = utils.calc_member_status(expire_date)
 
@@ -177,14 +177,14 @@ class TestCalcStatus(TestCase):
         self.assertEqual(status, 'Overdue')
 
     def test_calc_member_status_85_days_ago(self):
-        expire_date = utils.today_alberta_tz() - datetime.timedelta(days=85)
+        expire_date = utils.today_local_tz() - datetime.timedelta(days=85)
 
         status = utils.calc_member_status(expire_date)
 
         self.assertEqual(status, 'Overdue')
 
     def test_calc_member_status_95_days_ago(self):
-        expire_date = utils.today_alberta_tz() - datetime.timedelta(days=95)
+        expire_date = utils.today_local_tz() - datetime.timedelta(days=95)
 
         status = utils.calc_member_status(expire_date)
 
@@ -218,7 +218,7 @@ class TestTallyMembership(TestCase):
     def test_tally_membership_months_prepaid(self):
         member = self.get_member_clear_transactions()
         test_num_months = 8
-        start_date = utils.today_alberta_tz() - relativedelta.relativedelta(months=6, days=14)
+        start_date = utils.today_local_tz() - relativedelta.relativedelta(months=6, days=14)
         end_date = start_date + relativedelta.relativedelta(months=test_num_months)
 
         member.current_start_date = start_date
@@ -240,7 +240,7 @@ class TestTallyMembership(TestCase):
     def test_tally_membership_months_current(self):
         member = self.get_member_clear_transactions()
         test_num_months = 7
-        start_date = utils.today_alberta_tz() - relativedelta.relativedelta(months=6, days=14)
+        start_date = utils.today_local_tz() - relativedelta.relativedelta(months=6, days=14)
         end_date = start_date + relativedelta.relativedelta(months=test_num_months)
 
         member.current_start_date = start_date
@@ -262,7 +262,7 @@ class TestTallyMembership(TestCase):
     def test_tally_membership_months_due(self):
         member = self.get_member_clear_transactions()
         test_num_months = 6
-        start_date = utils.today_alberta_tz() - relativedelta.relativedelta(months=6, days=14)
+        start_date = utils.today_local_tz() - relativedelta.relativedelta(months=6, days=14)
         end_date = start_date + relativedelta.relativedelta(months=test_num_months)
 
         member.current_start_date = start_date
@@ -284,7 +284,7 @@ class TestTallyMembership(TestCase):
     def test_tally_membership_months_overdue(self):
         member = self.get_member_clear_transactions()
         test_num_months = 5
-        start_date = utils.today_alberta_tz() - relativedelta.relativedelta(months=6, days=14)
+        start_date = utils.today_local_tz() - relativedelta.relativedelta(months=6, days=14)
         end_date = start_date + relativedelta.relativedelta(months=test_num_months)
 
         member.current_start_date = start_date
@@ -306,7 +306,7 @@ class TestTallyMembership(TestCase):
     def test_tally_membership_months_overdue_pause(self):
         member = self.get_member_clear_transactions()
         test_num_months = 1
-        start_date = utils.today_alberta_tz() - relativedelta.relativedelta(months=6, days=14)
+        start_date = utils.today_local_tz() - relativedelta.relativedelta(months=6, days=14)
         end_date = start_date + relativedelta.relativedelta(months=test_num_months)
 
         member.current_start_date = start_date
@@ -328,7 +328,7 @@ class TestTallyMembership(TestCase):
 
     def test_tally_membership_months_dont_run(self):
         member = self.get_member_clear_transactions()
-        start_date = utils.today_alberta_tz()
+        start_date = utils.today_local_tz()
 
         member.current_start_date = start_date
         member.paused_date = start_date
diff --git a/apiserver/apiserver/api/utils.py b/apiserver/apiserver/api/utils.py
index 711b65d..09a35b2 100644
--- a/apiserver/apiserver/api/utils.py
+++ b/apiserver/apiserver/api/utils.py
@@ -29,13 +29,13 @@ from .. import settings, secrets
 
 STATIC_FOLDER = 'data/static/'
 
-TIMEZONE_CALGARY = pytz.timezone('America/Edmonton')
+DISPLAY_TZ = pytz.timezone(settings.DISPLAY_TIMEZONE)
 
-def today_alberta_tz():
-    return datetime.now(TIMEZONE_CALGARY).date()
+def today_local_tz():
+    return datetime.now(DISPLAY_TZ).date()
 
-def now_alberta_tz():
-    return datetime.now(TIMEZONE_CALGARY)
+def now_local_tz():
+    return datetime.now(DISPLAY_TZ)
 
 def alert_tanner(message):
     try:
@@ -108,7 +108,7 @@ def calc_member_status(expire_date, fake_date=None):
     '''
     Return: member status
     '''
-    today = fake_date or today_alberta_tz()
+    today = fake_date or today_local_tz()
 
     difference = num_months_difference(expire_date, today)
 
@@ -155,7 +155,7 @@ def tally_membership_months(member, fake_date=None):
         member.status = status
 
         if status == 'Expired Member':
-            member.paused_date = today_alberta_tz()
+            member.paused_date = today_local_tz()
             msg = 'Member has expired: {} {}'.format(member.preferred_name, member.last_name)
             alert_tanner(msg)
             logger.info(msg)
@@ -280,7 +280,7 @@ def process_garden_image(upload):
 
     draw = ImageDraw.Draw(pic)
 
-    timestamp = now_alberta_tz().strftime('%a %b %-d, %Y  %-I:%M %p')
+    timestamp = now_local_tz().strftime('%a %b %-d, %Y  %-I:%M %p')
 
     font = ImageFont.truetype('DejaVuSans.ttf', 60)
     draw.text((10, 10), timestamp, (0,0,0), font=font)
@@ -472,7 +472,7 @@ def register_user(data, user):
         user.is_superuser = True
         user.save()
 
-        user.member.vetted_date = today_alberta_tz()
+        user.member.vetted_date = today_local_tz()
         user.member.save()
 
 
diff --git a/apiserver/apiserver/api/utils_email.py b/apiserver/apiserver/api/utils_email.py
index 75cb748..e33e469 100644
--- a/apiserver/apiserver/api/utils_email.py
+++ b/apiserver/apiserver/api/utils_email.py
@@ -43,7 +43,7 @@ def send_welcome_email(member):
 
 def send_ical_email(member, session, ical_file):
     def replace_fields(text):
-        date = session.datetime.astimezone(utils.TIMEZONE_CALGARY).strftime('%A, %B %d')
+        date = session.datetime.astimezone(utils.DISPLAY_TZ).strftime('%A, %B %d')
 
         return text.replace(
             '[name]', member.preferred_name,
diff --git a/apiserver/apiserver/api/utils_paypal.py b/apiserver/apiserver/api/utils_paypal.py
index 1c2a731..af8ce6f 100644
--- a/apiserver/apiserver/api/utils_paypal.py
+++ b/apiserver/apiserver/api/utils_paypal.py
@@ -251,7 +251,7 @@ def check_training(data, training_id, amount):
 
     if training.attendance_status == 'Waiting for payment':
         training.attendance_status = 'Confirmed'
-    training.paid_date = utils.today_alberta_tz()
+    training.paid_date = utils.today_local_tz()
     training.save()
 
     logger.info('IPN - Amount valid for training cost, id: ' + str(training.id))
diff --git a/apiserver/apiserver/api/utils_stats.py b/apiserver/apiserver/api/utils_stats.py
index ba18547..7fa4d8b 100644
--- a/apiserver/apiserver/api/utils_stats.py
+++ b/apiserver/apiserver/api/utils_stats.py
@@ -103,7 +103,7 @@ def calc_member_counts():
     paused_count = members.count() - member_count
     green_count = num_current + num_prepaid
 
-    six_months_ago = utils.today_alberta_tz() - timedelta(days=183)
+    six_months_ago = utils.today_local_tz() - timedelta(days=183)
     six_month_plus_count = not_paused.filter(application_date__lte=six_months_ago).count()
 
     vetted_count = not_paused.filter(vetted_date__isnull=False).count()
@@ -137,7 +137,7 @@ def calc_member_counts():
     )
 
 def calc_signup_counts():
-    month_beginning = utils.today_alberta_tz().replace(day=1)
+    month_beginning = utils.today_local_tz().replace(day=1)
 
     members = models.Member.objects
     new_members = members.filter(application_date__gte=month_beginning)
@@ -236,9 +236,9 @@ def check_maintenance_list():
     return []
 
 def calc_card_scans():
-    date = utils.today_alberta_tz()
+    date = utils.today_local_tz()
     dt = datetime.combine(date, datetime.min.time())
-    midnight = utils.TIMEZONE_CALGARY.localize(dt)
+    midnight = utils.DISPLAY_TZ.localize(dt)
 
     cards = models.Card.objects
     count = cards.filter(last_seen__gte=midnight).count()
@@ -251,7 +251,7 @@ def calc_card_scans():
     )
 
 def calc_drink_sales():
-    six_months_ago = utils.today_alberta_tz() - timedelta(days=183)
+    six_months_ago = utils.today_local_tz() - timedelta(days=183)
 
     drinks_since = {
         '1970-01-01': {
diff --git a/apiserver/apiserver/api/views.py b/apiserver/apiserver/api/views.py
index f191e67..b3fab43 100644
--- a/apiserver/apiserver/api/views.py
+++ b/apiserver/apiserver/api/views.py
@@ -226,7 +226,7 @@ class MemberViewSet(Base, Retrieve, Update):
             raise exceptions.PermissionDenied()
         member = self.get_object()
         member.status = 'Paused Member'
-        member.paused_date = utils.today_alberta_tz()
+        member.paused_date = utils.today_local_tz()
         member.save()
 
         msg = 'Member has been paused: {} {}'.format(member.preferred_name, member.last_name)
@@ -239,10 +239,10 @@ class MemberViewSet(Base, Retrieve, Update):
         if not is_admin_director(self.request.user):
             raise exceptions.PermissionDenied()
 
-        today = utils.today_alberta_tz()
+        today = utils.today_local_tz()
         member = self.get_object()
 
-        difference = utils.today_alberta_tz() - member.paused_date
+        difference = utils.today_local_tz() - member.paused_date
         if difference.days > 370:  # give some leeway
             logging.info('Member has been away for %s days (since %s), unvetting...', difference.days, member.paused_date)
             member.vetted_date = None
@@ -287,7 +287,7 @@ class MemberViewSet(Base, Retrieve, Update):
             logging.info('Auto-certifying precix...')
             if utils_ldap.is_configured():
                 utils_ldap.add_to_group(member, 'CNC-Precix-Users')
-            member.precix_cnc_cert_date = utils.today_alberta_tz()
+            member.precix_cnc_cert_date = utils.today_local_tz()
 
         RABBIT_COURSE = 247
         attended_rabbit = models.Training.objects.filter(
@@ -301,7 +301,7 @@ class MemberViewSet(Base, Retrieve, Update):
             logging.info('Auto-certifying rabbit...')
             if utils_ldap.is_configured():
                 utils_ldap.add_to_group(member, 'Laser Users')
-            member.rabbit_cert_date = utils.today_alberta_tz()
+            member.rabbit_cert_date = utils.today_local_tz()
 
         TROTEC_COURSE = 321
         attended_trotec = models.Training.objects.filter(
@@ -315,7 +315,7 @@ class MemberViewSet(Base, Retrieve, Update):
             logging.info('Auto-certifying trotec...')
             if utils_ldap.is_configured():
                 utils_ldap.add_to_group(member, 'Trotec Users')
-            member.trotec_cert_date = utils.today_alberta_tz()
+            member.trotec_cert_date = utils.today_local_tz()
 
         MOPA_COURSE = 519
         attended_mopa = models.Training.objects.filter(
@@ -329,7 +329,7 @@ class MemberViewSet(Base, Retrieve, Update):
             logging.info('Auto-certifying MOPA...')
             if utils_ldap.is_configured():
                 utils_ldap.add_to_group(member, 'MOPA Users')
-            member.mopa_cert_date = utils.today_alberta_tz()
+            member.mopa_cert_date = utils.today_local_tz()
 
         EUFYMAKEUV_COURSE = 520
         attended_eufymakeuv = models.Training.objects.filter(
@@ -343,9 +343,9 @@ class MemberViewSet(Base, Retrieve, Update):
             logging.info('Auto-certifying EUFYMAKEUV...')
             if utils_ldap.is_configured():   
                 utils_ldap.add_to_group(member, 'Eufymake Users')
-            member.eufymakeuv_cert_date = utils.today_alberta_tz()
+            member.eufymakeuv_cert_date = utils.today_local_tz()
 
-        member.vetted_date = utils.today_alberta_tz()
+        member.vetted_date = utils.today_local_tz()
         member.save()
         return Response(200)
 
@@ -544,11 +544,11 @@ class TrainingViewSet(Base, Retrieve, Create, Update):
             if requires_vetted:
                 if status == 'Attended' and member.vetted_date:
                     logging.info('Granting certification: %s', session.course.name)
-                    return utils.today_alberta_tz()
+                    return utils.today_local_tz()
             else:
                 if status == 'Attended':
                     logging.info('Granting certification: %s', session.course.name)
-                    return utils.today_alberta_tz()
+                    return utils.today_local_tz()
 
             logging.info('Not granting certification: %s', session.course.name)
             return None
@@ -760,7 +760,7 @@ class QuizViewSet(Base):
 
             logging.info('Granting quiz certification: %s', quiz)
 
-            member.wood_cert_date = utils.today_alberta_tz()
+            member.wood_cert_date = utils.today_local_tz()
             member.save()
 
         elif quiz == 'scanner':
@@ -778,7 +778,7 @@ class QuizViewSet(Base):
 
             logging.info('Granting quiz certification: %s', quiz)
 
-            member.scanner_cert_date = utils.today_alberta_tz()
+            member.scanner_cert_date = utils.today_local_tz()
             member.save()
 
         else:
@@ -950,7 +950,7 @@ class DoorViewSet(viewsets.ViewSet, List):
         card.save()
 
         member = card.user.member
-        t = utils.now_alberta_tz().strftime('%Y-%m-%d %H:%M:%S, %a %I:%M %p')
+        t = utils.now_local_tz().strftime('%Y-%m-%d %H:%M:%S, %a %I:%M %p')
         logger.info('Scan - Time: {} | Name: {} {} ({})'.format(t, member.preferred_name, member.last_name, member.id))
 
         last_scan = dict(
@@ -1502,7 +1502,7 @@ class VettingViewSet(Base, List):
     def get_queryset(self):
         queryset = models.Member.objects
 
-        four_weeks_ago = utils.today_alberta_tz() - datetime.timedelta(days=28)
+        four_weeks_ago = utils.today_local_tz() - datetime.timedelta(days=28)
         queryset = queryset.filter(status__in=['Prepaid', 'Current', 'Due'])
         queryset = queryset.filter(paused_date__isnull=True)
         queryset = queryset.filter(vetted_date__isnull=True)
@@ -1632,7 +1632,7 @@ class ProtocoinViewSet(Base):
                 if training:
                     if training.attendance_status == 'Waiting for payment':
                         training.attendance_status = 'Confirmed'
-                    training.paid_date = utils.today_alberta_tz()
+                    training.paid_date = utils.today_local_tz()
                     training.save()
 
                 return Response(200)
@@ -2261,7 +2261,7 @@ class PinballViewSet(Base):
 
     @action(detail=False, methods=['get'])
     def monthly_high_scores(self, request):
-        now = utils.now_alberta_tz()
+        now = utils.now_local_tz()
         current_month_start = now.replace(day=1, hour=0, minute=0, second=0, microsecond=0)
 
         members = models.Member.objects.all()
@@ -2340,7 +2340,7 @@ class HostingViewSet(Base):
                 message = '{} just offered to host for {} hours from now until {}!'.format(
                     hosting_user.member.preferred_name,
                     hours,
-                    h.finished_at.astimezone(utils.TIMEZONE_CALGARY).strftime('%-I:%M %p, %b %d'),
+                    h.finished_at.astimezone(utils.DISPLAY_TZ).strftime('%-I:%M %p, %b %d'),
                 )
                 if hosting_user.member.discourse_username:
                     message += ' Tag @{} here to get their attention.'.format(
@@ -2354,7 +2354,7 @@ class HostingViewSet(Base):
         hosting = models.Hosting.objects.order_by('-finished_at').first()
         closing = dict(
             time=hosting.finished_at.timestamp(),
-            time_str=hosting.finished_at.astimezone(utils.TIMEZONE_CALGARY).strftime('%-I:%M %p'),
+            time_str=hosting.finished_at.astimezone(utils.DISPLAY_TZ).strftime('%-I:%M %p'),
             first_name=hosting.user.member.preferred_name,
         )
         cache.set('closing', closing)
@@ -2381,7 +2381,7 @@ class HostingViewSet(Base):
 
     @action(detail=False, methods=['get'])
     def monthly_high_scores(self, request):
-        now = utils.now_alberta_tz()
+        now = utils.now_local_tz()
         current_month_start = now.replace(day=1, hour=0, minute=0, second=0, microsecond=0)
 
         members = models.Member.objects.all()
@@ -2467,7 +2467,7 @@ class StorageSpaceViewSet(Base, List, Retrieve, Update):
 
     @action(detail=False, methods=['get'], permission_classes=[])
     def available(self, request):
-        three_months_ago = utils.today_alberta_tz() - datetime.timedelta(days=89)
+        three_months_ago = utils.today_local_tz() - datetime.timedelta(days=89)
         queryset = models.StorageSpace.objects.filter(
             location='member_shelves'
         ).filter(
@@ -2508,7 +2508,7 @@ class StorageSpaceViewSet(Base, List, Retrieve, Update):
 
         if storage.user:
             owner_name = storage.user.member.preferred_name
-            three_months_ago = utils.today_alberta_tz() - datetime.timedelta(days=89)  # 1 day slack from the UI
+            three_months_ago = utils.today_local_tz() - datetime.timedelta(days=89)  # 1 day slack from the UI
             owner_paused_date = storage.user.member.paused_date
             owner_long_expired = owner_paused_date and owner_paused_date <= three_months_ago
 
diff --git a/apiserver/apiserver/settings.py b/apiserver/apiserver/settings.py
index 7037f14..7f3b379 100644
--- a/apiserver/apiserver/settings.py
+++ b/apiserver/apiserver/settings.py
@@ -179,6 +179,8 @@ LANGUAGE_CODE = 'en-us'
 
 TIME_ZONE = 'UTC'
 
+DISPLAY_TIMEZONE = os.environ.get('DISPLAY_TIMEZONE', 'America/Edmonton')
+
 USE_I18N = True
 
 USE_L10N = True
diff --git a/apiserver/scripts/calc_subs_membership_length.py b/apiserver/scripts/calc_subs_membership_length.py
index a49e017..a44200b 100755
--- a/apiserver/scripts/calc_subs_membership_length.py
+++ b/apiserver/scripts/calc_subs_membership_length.py
@@ -5,7 +5,7 @@ django.setup()
 from django.db.models import Prefetch, Sum
 from apiserver.api import models, utils
 
-today = utils.today_alberta_tz()
+today = utils.today_local_tz()
 
 members = models.Member.objects.filter(paused_date__isnull=True)
 related_tx = Prefetch(
diff --git a/apiserver/scripts/convert_card_seen.py b/apiserver/scripts/convert_card_seen.py
index 8977d0f..0418eb9 100755
--- a/apiserver/scripts/convert_card_seen.py
+++ b/apiserver/scripts/convert_card_seen.py
@@ -8,7 +8,7 @@ import pytz
 
 from apiserver.api import models, utils
 
-tz = pytz.timezone('America/Edmonton')
+tz = utils.DISPLAY_TZ
 
 cards = models.Card.objects.order_by('last_seen_at')
 
diff --git a/apiserver/scripts/embroidery_auth_update.py b/apiserver/scripts/embroidery_auth_update.py
index deb99a0..f27bf19 100755
--- a/apiserver/scripts/embroidery_auth_update.py
+++ b/apiserver/scripts/embroidery_auth_update.py
@@ -24,7 +24,7 @@ for session in sessions:
         if student.attendance_status == 'Attended':
             member = get_member(student)
             if not member.embroidery_cert_date:
-                member.embroidery_cert_date = session.datetime.astimezone(pytz.timezone('America/Edmonton')).date()
+                member.embroidery_cert_date = session.datetime.astimezone(utils.DISPLAY_TZ).date()
                 member.save()
 
 print('Done.')
diff --git a/apiserver/scripts/import_card_scans.py b/apiserver/scripts/import_card_scans.py
index a4323f7..4c70d64 100755
--- a/apiserver/scripts/import_card_scans.py
+++ b/apiserver/scripts/import_card_scans.py
@@ -7,16 +7,12 @@ django.setup()
 
 import csv
 from datetime import datetime, timedelta
-from apiserver.api import models
-from django.utils.timezone import now, pytz
-
-def today_alberta_tz():
-    return datetime.now(pytz.timezone('America/Edmonton')).date()
+from apiserver.api import models, utils
 
 days = {}
 
 date = datetime(2020, 3, 7).date()
-while date <= today_alberta_tz():
+while date <= utils.today_local_tz():
     days[str(date)] = set()
     date += timedelta(days=1)
 
@@ -28,7 +24,7 @@ with open('scans.csv', newline='') as csvfile:
     for row in reader:
         datetime_obj = datetime.strptime(row['date'], "%Y-%m-%d %H:%M:%S")
         datetime_obj_utc = datetime_obj.replace(tzinfo=pytz.timezone('UTC'))
-        date = datetime_obj_utc.astimezone(pytz.timezone('America/Edmonton'))
+        date = datetime_obj_utc.astimezone(utils.DISPLAY_TZ)
 
         card = row['card_number']
 
diff --git a/apiserver/scripts/import_old_portal.py b/apiserver/scripts/import_old_portal.py
index b7120d7..df9d499 100755
--- a/apiserver/scripts/import_old_portal.py
+++ b/apiserver/scripts/import_old_portal.py
@@ -230,7 +230,7 @@ for o in old:
     new['course'] = models.Course.objects.get(id=o.course_id)
     new['old_instructor'] = o.instructor
     dt = o.datetime.replace(tzinfo=None)
-    dt = timezone.pytz.timezone('America/Edmonton').localize(dt)
+    dt = utils.DISPLAY_TZ.localize(dt)
     new['datetime'] = dt.astimezone(timezone.pytz.UTC)
 
     models.Session.objects.create(**new)
diff --git a/apiserver/scripts/import_rabbit_group.py b/apiserver/scripts/import_rabbit_group.py
index ca02f87..204c973 100755
--- a/apiserver/scripts/import_rabbit_group.py
+++ b/apiserver/scripts/import_rabbit_group.py
@@ -52,7 +52,7 @@ print()
 
 for m in good_members.values():
     if not m.rabbit_cert_date:
-        m.rabbit_cert_date = utils.today_alberta_tz()
+        m.rabbit_cert_date = utils.today_local_tz()
         print('certified', m.first_name, m.last_name)
         m.save()
     else:
diff --git a/apiserver/scripts/import_trotec_group.py b/apiserver/scripts/import_trotec_group.py
index eb63235..2db8306 100755
--- a/apiserver/scripts/import_trotec_group.py
+++ b/apiserver/scripts/import_trotec_group.py
@@ -52,7 +52,7 @@ print()
 
 for m in good_members.values():
     if not m.trotec_cert_date:
-        m.trotec_cert_date = utils.today_alberta_tz()
+        m.trotec_cert_date = utils.today_local_tz()
         print('certified', m.first_name, m.last_name)
         m.save()
     else:
diff --git a/apiserver/scripts/lockout_auth_update.py b/apiserver/scripts/lockout_auth_update.py
index bc6d618..2b91732 100755
--- a/apiserver/scripts/lockout_auth_update.py
+++ b/apiserver/scripts/lockout_auth_update.py
@@ -26,7 +26,7 @@ for session in sessions:
         if student.attendance_status == 'Attended':
             member = get_member(student)
             if not member.orientation_date:
-                member.orientation_date = session.datetime.astimezone(pytz.timezone('America/Edmonton')).date()
+                member.orientation_date = session.datetime.astimezone(utils.DISPLAY_TZ).date()
                 member.save()
 
 # Lathe
@@ -39,7 +39,7 @@ for session in sessions:
         if student.attendance_status == 'Attended':
             member = get_member(student)
             if not member.lathe_cert_date:
-                member.lathe_cert_date = session.datetime.astimezone(pytz.timezone('America/Edmonton')).date()
+                member.lathe_cert_date = session.datetime.astimezone(utils.DISPLAY_TZ).date()
                 member.save()
 
 # Manual Mill
@@ -52,7 +52,7 @@ for session in sessions:
         if student.attendance_status == 'Attended':
             member = get_member(student)
             if not member.mill_cert_date:
-                member.mill_cert_date = session.datetime.astimezone(pytz.timezone('America/Edmonton')).date()
+                member.mill_cert_date = session.datetime.astimezone(utils.DISPLAY_TZ).date()
                 member.save()
 
 
@@ -66,7 +66,7 @@ for session in sessions:
         if student.attendance_status == 'Attended':
             member = get_member(student)
             if not member.wood_cert_date:
-                member.wood_cert_date = session.datetime.astimezone(pytz.timezone('America/Edmonton')).date()
+                member.wood_cert_date = session.datetime.astimezone(utils.DISPLAY_TZ).date()
                 member.save()
 
 # Woodworking-2 tools
@@ -79,7 +79,7 @@ for session in sessions:
         if student.attendance_status == 'Attended':
             member = get_member(student)
             if not member.wood2_cert_date:
-                member.wood2_cert_date = session.datetime.astimezone(pytz.timezone('America/Edmonton')).date()
+                member.wood2_cert_date = session.datetime.astimezone(utils.DISPLAY_TZ).date()
                 member.save()
 
 # CNC tools
@@ -92,7 +92,7 @@ for session in sessions:
         if student.attendance_status == 'Attended':
             member = get_member(student)
             if not member.cnc_cert_date:
-                member.cnc_cert_date = session.datetime.astimezone(pytz.timezone('America/Edmonton')).date()
+                member.cnc_cert_date = session.datetime.astimezone(utils.DISPLAY_TZ).date()
                 member.save()
 
 print('Done.')
diff --git a/webclient/src/Admin.js b/webclient/src/Admin.js
index 4d9ceb8..94b159b 100644
--- a/webclient/src/Admin.js
+++ b/webclient/src/Admin.js
@@ -5,7 +5,7 @@ import { Button, Container, Checkbox, Form, Header, Icon, Input, Table } from 's
 import * as Datetime from 'react-datetime';
 import moment from 'moment-timezone';
 import download from 'downloadjs';
-import { apiUrl, statusColor, requester, useIsMobile } from './utils.js';
+import { apiUrl, statusColor, requester, useIsMobile, DISPLAY_TIMEZONE } from './utils.js';
 
 let vettingCache = false;
 let historyCache = false;
@@ -197,7 +197,7 @@ export function AdminHistory(props) {
 										<Table.Row>
 											<Table.Cell>
 												<a onClick={() => setFocus(x.id)}>
-													{moment.utc(x.history_date).tz('America/Edmonton').format('YYYY-MM-DD')}
+													{moment.utc(x.history_date).tz(DISPLAY_TIMEZONE).format('YYYY-MM-DD')}
 												</a>
 											</Table.Cell>
 											<Table.Cell>{isMobile && 'User: '}{x.is_system ? 'System' : (x.history_user || 'Deleted User')}</Table.Cell>
@@ -282,7 +282,7 @@ export function AdminBackups(props) {
 							{backups.filter(x => x.download_time).map(x =>
 								<Table.Row key={x.backup_user}>
 									<Table.Cell>{isMobile && 'User: '}{x.backup_user}</Table.Cell>
-									<Table.Cell>{isMobile && 'Last: '}{moment.utc(x.download_time).tz('America/Edmonton').format('LLLL')}</Table.Cell>
+									<Table.Cell>{isMobile && 'Last: '}{moment.utc(x.download_time).tz(DISPLAY_TIMEZONE).format('LLLL')}</Table.Cell>
 									<Table.Cell>{isMobile && '24h ago: '}{x.less_than_24h ? 'Yes' : 'No - please investigate'}</Table.Cell>
 								</Table.Row>
 							)}
diff --git a/webclient/src/AdminMembers.js b/webclient/src/AdminMembers.js
index 5773db7..2901ad2 100644
--- a/webclient/src/AdminMembers.js
+++ b/webclient/src/AdminMembers.js
@@ -3,7 +3,7 @@ import { Link, useParams } from 'react-router-dom';
 import './light.css';
 import { Button, Checkbox, Dimmer, Form, Message, Header, Icon, Image, Segment, Table, List, ListItem } from 'semantic-ui-react';
 import moment from 'moment-timezone';
-import { statusColor, BasicTable, staticUrl, requester } from './utils.js';
+import { statusColor, BasicTable, staticUrl, requester, DISPLAY_TIMEZONE } from './utils.js';
 import { TrainingList } from './Training.js';
 
 function AdminCardDetail(props) {
@@ -75,9 +75,9 @@ function AdminCardDetail(props) {
 				Last Seen:{' '}
 				{input.last_seen ?
 					input.last_seen > '2021-11-14T02:01:35.415685Z' ?
-						moment.utc(input.last_seen).tz('America/Edmonton').format('lll')
+						moment.utc(input.last_seen).tz(DISPLAY_TIMEZONE).format('lll')
 					:
-						moment.utc(input.last_seen).tz('America/Edmonton').format('ll')
+						moment.utc(input.last_seen).tz(DISPLAY_TIMEZONE).format('ll')
 				:
 					'Unknown'
 				}
@@ -669,7 +669,7 @@ export function AdminCert(props) {
 		if (loading) return;
 		setLoading(true);
 		let data = Object();
-		data[field] = moment.utc().tz('America/Edmonton').format('YYYY-MM-DD');
+		data[field] = moment.utc().tz(DISPLAY_TIMEZONE).format('YYYY-MM-DD');
 		requester('/members/' + member.id + '/', 'PATCH', token, data)
 		.then(res => {
 			refreshResult();
diff --git a/webclient/src/Cards.js b/webclient/src/Cards.js
index 0427833..62d8e50 100644
--- a/webclient/src/Cards.js
+++ b/webclient/src/Cards.js
@@ -2,7 +2,7 @@ import React, { useState } from 'react';
 import './light.css';
 import moment from 'moment-timezone';
 import { Button, Container, Header, Table } from 'semantic-ui-react';
-import { BasicTable, staticUrl, useIsMobile } from './utils.js';
+import { BasicTable, staticUrl, useIsMobile, DISPLAY_TIMEZONE } from './utils.js';
 
 export function Cards(props) {
 	const { user, token } = props;
@@ -48,9 +48,9 @@ export function Cards(props) {
 									<Table.Cell>
 										{isMobile && 'Last Scan: '}{x.last_seen ?
 											x.last_seen > '2021-11-14T02:01:35.415685Z' ?
-												moment.utc(x.last_seen).tz('America/Edmonton').format('lll')
+												moment.utc(x.last_seen).tz(DISPLAY_TIMEZONE).format('lll')
 											:
-												moment.utc(x.last_seen).tz('America/Edmonton').format('ll')
+												moment.utc(x.last_seen).tz(DISPLAY_TIMEZONE).format('ll')
 										:
 											'Unknown'
 										}
@@ -76,9 +76,9 @@ export function Cards(props) {
 								<Table.Cell>
 									{card.last_seen ?
 										card.last_seen > '2021-11-14T02:01:35.415685Z' ?
-											moment.utc(card.last_seen).tz('America/Edmonton').format('lll')
+											moment.utc(card.last_seen).tz(DISPLAY_TIMEZONE).format('lll')
 										:
-											moment.utc(card.last_seen).tz('America/Edmonton').format('ll')
+											moment.utc(card.last_seen).tz(DISPLAY_TIMEZONE).format('ll')
 									:
 										'Unknown'
 									}
diff --git a/webclient/src/Classes.js b/webclient/src/Classes.js
index 3881252..09378c8 100644
--- a/webclient/src/Classes.js
+++ b/webclient/src/Classes.js
@@ -3,7 +3,7 @@ import { Link, useParams } from 'react-router-dom';
 import './light.css';
 import { Label, Button, Container, Dropdown, Form, FormField, Header, Icon, Input, Segment, Table } from 'semantic-ui-react';
 import moment from 'moment-timezone';
-import { apiUrl, isAdmin, getInstructor, getInstructorDiscourseLink, BasicTable, requester, useIsMobile } from './utils.js';
+import { apiUrl, isAdmin, getInstructor, getInstructorDiscourseLink, BasicTable, requester, useIsMobile, DISPLAY_TIMEZONE } from './utils.js';
 import { NotFound } from './Misc.js';
 import { InstructorClassDetail, InstructorClassAttendance } from './InstructorClasses.js';
 import { PayPalPayNow } from './PayPal.js';
@@ -29,10 +29,10 @@ function ClassTable(props) {
 							<Table.Cell>{x.course_data.name}</Table.Cell>
 							<Table.Cell>
 								<Link to={'/classes/'+x.id}>
-									{moment.utc(x.datetime).tz('America/Edmonton').format('ddd, ll')}
+									{moment.utc(x.datetime).tz(DISPLAY_TIMEZONE).format('ddd, ll')}
 								</Link>
 								<span style={{float: 'right'}}>
-									Time: {x.is_cancelled ? 'Cancelled' : moment.utc(x.datetime).tz('America/Edmonton').format('LT')}
+									Time: {x.is_cancelled ? 'Cancelled' : moment.utc(x.datetime).tz(DISPLAY_TIMEZONE).format('LT')}
 								</span>
 							</Table.Cell>
 							<Table.Cell>
@@ -76,10 +76,10 @@ function ClassTable(props) {
 							<Table.Cell>&nbsp;{x.course_data.name}</Table.Cell>
 							<Table.Cell>
 								<Link to={'/classes/'+x.id}>
-									{moment.utc(x.datetime).tz('America/Edmonton').format('ddd, ll')}
+									{moment.utc(x.datetime).tz(DISPLAY_TIMEZONE).format('ddd, ll')}
 								</Link>
 							</Table.Cell>
-							<Table.Cell>{x.is_cancelled ? 'Cancelled' : moment.utc(x.datetime).tz('America/Edmonton').format('LT')}</Table.Cell>
+							<Table.Cell>{x.is_cancelled ? 'Cancelled' : moment.utc(x.datetime).tz(DISPLAY_TIMEZONE).format('LT')}</Table.Cell>
 							<Table.Cell>{getInstructor(x)}</Table.Cell>
 							<Table.Cell>{x.cost === '0.00' ? 'Free' : '$'+x.cost}</Table.Cell>
 							<Table.Cell>
@@ -269,9 +269,9 @@ function NewClassTableCourse(props) {
 								<Table.Row key={x.id} active={x.datetime < now || x.is_cancelled}>
 									<Table.Cell>
 										<Link to={'/classes/'+x.id}>
-											{moment.utc(x.datetime).tz('America/Edmonton').format(' MMM Do')}
+											{moment.utc(x.datetime).tz(DISPLAY_TIMEZONE).format(' MMM Do')}
 										</Link>
-										{' - '}{x.is_cancelled ? 'Cancelled' : moment.utc(x.datetime).tz('America/Edmonton').format('LT')}
+										{' - '}{x.is_cancelled ? 'Cancelled' : moment.utc(x.datetime).tz(DISPLAY_TIMEZONE).format('LT')}
 									</Table.Cell>
 
 									<Table.Cell>{x.cost === '0.00' ? 'Free' : '$'+x.cost.slice(0,-3)}</Table.Cell>
@@ -738,13 +738,13 @@ export function Class(props) {
 				<Table.Row>
 					<Table.Cell>Date:</Table.Cell>
 					<Table.Cell>
-						{moment.utc(clazz.datetime).tz('America/Edmonton').format('ll')}
+						{moment.utc(clazz.datetime).tz(DISPLAY_TIMEZONE).format('ll')}
 					</Table.Cell>
 				</Table.Row>
 				<Table.Row>
 					<Table.Cell>Time:</Table.Cell>
 					<Table.Cell>
-						{clazz.is_cancelled ? 'Cancelled' : moment.utc(clazz.datetime).tz('America/Edmonton').format('LT')}
+						{clazz.is_cancelled ? 'Cancelled' : moment.utc(clazz.datetime).tz(DISPLAY_TIMEZONE).format('LT')}
 					</Table.Cell>
 				</Table.Row>
 				<Table.Row>
diff --git a/webclient/src/Courses.js b/webclient/src/Courses.js
index 2db94b7..e705366 100644
--- a/webclient/src/Courses.js
+++ b/webclient/src/Courses.js
@@ -3,7 +3,7 @@ import { Link, useParams } from 'react-router-dom';
 import './light.css';
 import { Button, Label, Container, Header, Input, Segment, Table } from 'semantic-ui-react';
 import moment from 'moment-timezone';
-import { isInstructor, getInstructor, requester, useIsMobile } from './utils.js';
+import { isInstructor, getInstructor, requester, useIsMobile, DISPLAY_TIMEZONE } from './utils.js';
 import { NotFound } from './Misc.js';
 import { InstructorCourseList, InstructorCourseDetail } from './InstructorCourses.js';
 import { InstructorClassList } from './InstructorClasses.js';
@@ -291,10 +291,10 @@ export function CourseDetail(props) {
 										<Table.Row key={x.id} active={x.datetime < now || x.is_cancelled}>
 											<Table.Cell>
 												<Link to={'/classes/'+x.id}>
-													{!isMobile && <span>&nbsp;</span>}{moment.utc(x.datetime).tz('America/Edmonton').format('ll')}
+													{!isMobile && <span>&nbsp;</span>}{moment.utc(x.datetime).tz(DISPLAY_TIMEZONE).format('ll')}
 												</Link>
 											</Table.Cell>
-											<Table.Cell>{isMobile && 'Time: '}{x.is_cancelled ? 'Cancelled' : moment.utc(x.datetime).tz('America/Edmonton').format('LT')}</Table.Cell>
+											<Table.Cell>{isMobile && 'Time: '}{x.is_cancelled ? 'Cancelled' : moment.utc(x.datetime).tz(DISPLAY_TIMEZONE).format('LT')}</Table.Cell>
 											<Table.Cell>{isMobile && 'Instructor: '}{getInstructor(x)}</Table.Cell>
 											<Table.Cell>{isMobile && 'Cost: '}{x.cost === '0.00' ? 'Free' : '$'+x.cost}</Table.Cell>
 											<Table.Cell>
diff --git a/webclient/src/Display.js b/webclient/src/Display.js
index 2d3be08..00e4489 100644
--- a/webclient/src/Display.js
+++ b/webclient/src/Display.js
@@ -2,7 +2,7 @@ import React, { useRef, useState, useEffect } from 'react';
 import { useParams } from 'react-router-dom';
 import moment from 'moment-timezone';
 import { Button, Container, Header, Icon } from 'semantic-ui-react';
-import { requester } from './utils.js';
+import { requester, DISPLAY_TIMEZONE } from './utils.js';
 import QRCode from 'react-qr-code';
 
 const deviceNames = {
@@ -376,8 +376,8 @@ export function DisplayClasses(props) {
 
 	const now = new Date().toISOString();
 
-	const isTodayOrFuture = (x) => moment.utc(x.datetime).tz('America/Edmonton') > moment().tz('America/Edmonton').startOf('day');
-	const isToday = (x) => moment().tz('America/Edmonton').isSame(moment.utc(x.datetime).tz('America/Edmonton'), 'day');
+	const isTodayOrFuture = (x) => moment.utc(x.datetime).tz(DISPLAY_TIMEZONE) > moment().tz(DISPLAY_TIMEZONE).startOf('day');
+	const isToday = (x) => moment().tz(DISPLAY_TIMEZONE).isSame(moment.utc(x.datetime).tz(DISPLAY_TIMEZONE), 'day');
 
 	return (
 		<>
@@ -388,9 +388,9 @@ export function DisplayClasses(props) {
 					<Header size='medium'>{x.course_data.name}</Header>
 					<p>
 						{isToday(x) ?
-							'Today' + moment.utc(x.datetime).tz('America/Edmonton').format(' @ LT')
+							'Today' + moment.utc(x.datetime).tz(DISPLAY_TIMEZONE).format(' @ LT')
 						:
-							moment.utc(x.datetime).tz('America/Edmonton').format('ddd, ll @ LT')
+							moment.utc(x.datetime).tz(DISPLAY_TIMEZONE).format('ddd, ll @ LT')
 						}
 
 					</p>
diff --git a/webclient/src/Home.js b/webclient/src/Home.js
index 4d9ee4b..cde74a1 100644
--- a/webclient/src/Home.js
+++ b/webclient/src/Home.js
@@ -4,7 +4,7 @@ import moment from 'moment-timezone';
 import QRCode from 'react-qr-code';
 import './light.css';
 import { Button, Container, Divider, Grid, Header, Icon, Image, Message, Popup, Segment, Table } from 'semantic-ui-react';
-import { statusColor, BasicTable, siteUrl, staticUrl, requester, isAdmin } from './utils.js';
+import { statusColor, BasicTable, siteUrl, staticUrl, requester, isAdmin, DISPLAY_TIMEZONE } from './utils.js';
 import { LoginForm, SignupForm } from './LoginSignup.js';
 import { AccountForm } from './Account.js';
 import { VestaboardForm, SignForm } from './Sign.js';
@@ -118,7 +118,7 @@ function MemberInfo(props) {
 						lastTrain.map(x =>
 							<Table.Row key={x.id}>
 								<Table.Cell style={{ minWidth: '8rem' }}>
-									<Link to={'/classes/'+x.session.id}>{moment(x.session.datetime).tz('America/Edmonton').format('ll')}</Link>
+									<Link to={'/classes/'+x.session.id}>{moment(x.session.datetime).tz(DISPLAY_TIMEZONE).format('ll')}</Link>
 								</Table.Cell>
 								<Table.Cell>{x.session.course_data.name}</Table.Cell>
 							</Table.Row>
@@ -182,9 +182,9 @@ function MemberInfo(props) {
 						<Table.Cell>
 							{lastCard && lastCard.last_seen ?
 								lastCard.last_seen > '2021-11-14T02:01:35.415685Z' ?
-									moment.utc(lastCard.last_seen).tz('America/Edmonton').format('lll')
+									moment.utc(lastCard.last_seen).tz(DISPLAY_TIMEZONE).format('lll')
 								:
-									moment.utc(lastCard.last_seen).tz('America/Edmonton').format('ll')
+									moment.utc(lastCard.last_seen).tz(DISPLAY_TIMEZONE).format('ll')
 							:
 								'Unknown'
 							}
@@ -232,13 +232,13 @@ export function Home(props) {
 
 	const getStat = (x) => stats && stats[x] ? stats[x] : 'Unknown';
 	const getZeroStat = (x) => stats && stats[x] ? stats[x] : '0';
-	const getDateStat = (x) => stats && stats[x] ? moment.utc(stats[x]).tz('America/Edmonton').format('MMM Do @ LT') : 'Unknown';
+	const getDateStat = (x) => stats && stats[x] ? moment.utc(stats[x]).tz(DISPLAY_TIMEZONE).format('MMM Do @ LT') : 'Unknown';
 	const showMeetingLink = () => stats && stats['next_meeting'] && moment().add(30, 'minutes').isAfter(moment.utc(stats['next_meeting']));
 
 	const getNextStat = (x) => {
 		if (stats && stats[x]) {
-			const datetime = moment.utc(stats[x].datetime).tz('America/Edmonton');
-			if (datetime.isSame(moment().tz('America/Edmonton'), 'day') ) {
+			const datetime = moment.utc(stats[x].datetime).tz(DISPLAY_TIMEZONE);
+			if (datetime.isSame(moment().tz(DISPLAY_TIMEZONE), 'day') ) {
 				return <>{datetime.format('LT')} | <Link to={'/classes/' + stats[x].id}>{stats[x].name}</Link></>;
 			} else {
 				return <>{datetime.format('MMM Do')} | <Link to={'/classes/' + stats[x].id}>{stats[x].name}</Link></>;
@@ -252,13 +252,13 @@ export function Home(props) {
 	const mumbleUsers = stats && stats['mumble_users'] ? stats['mumble_users'] : [];
 
 	const getTrackStat = (x) => stats && stats.track && stats.track[x] ? moment().unix() - stats.track[x]['time'] > 60 ? 'Free' : 'In Use' : 'Unknown';
-	const getTrackLast = (x) => stats && stats.track && stats.track[x] ? moment.unix(stats.track[x]['time']).tz('America/Edmonton').format('llll') : 'Unknown';
-	const getTrackAgo = (x) => stats && stats.track && stats.track[x] ? moment.unix(stats.track[x]['time']).tz('America/Edmonton').fromNow() : '';
+	const getTrackLast = (x) => stats && stats.track && stats.track[x] ? moment.unix(stats.track[x]['time']).tz(DISPLAY_TIMEZONE).format('llll') : 'Unknown';
+	const getTrackAgo = (x) => stats && stats.track && stats.track[x] ? moment.unix(stats.track[x]['time']).tz(DISPLAY_TIMEZONE).fromNow() : '';
 	const getTrackName = (x) => stats && stats.track && stats.track[x] && stats.track[x]['first_name'] ? stats.track[x]['first_name'] : 'Unknown';
 
 	const getScannerStat = (name) => stats?.scanner3d?.[name]?.status || 'Unknown';
-	const getScannerLast = (name) => stats?.scanner3d?.[name] ? moment.unix(stats.scanner3d[name]['time']).tz('America/Edmonton').format('llll') : 'Unknown';
-	const getScannerAgo = (name) => stats?.scanner3d?.[name] ? moment.unix(stats.scanner3d[name]['time']).tz('America/Edmonton').fromNow() : '';
+	const getScannerLast = (name) => stats?.scanner3d?.[name] ? moment.unix(stats.scanner3d[name]['time']).tz(DISPLAY_TIMEZONE).format('llll') : 'Unknown';
+	const getScannerAgo = (name) => stats?.scanner3d?.[name] ? moment.unix(stats.scanner3d[name]['time']).tz(DISPLAY_TIMEZONE).fromNow() : '';
 	const getScannerName = (name) => stats?.scanner3d?.[name]?.['first_name'] ? stats.scanner3d[name]['first_name'] : 'Unknown';
 
 	const getBalloonStat = () => {
@@ -295,8 +295,8 @@ export function Home(props) {
 	};
 
 	const alarmStat = (x) => stats && stats.alarm && moment().unix() - stats.alarm.time < 60*60*24 ? stats.alarm.data : 'Unknown';
-	const alarmUpdateLast = (x) => stats && stats.alarm ? moment.unix(stats.alarm.time).tz('America/Edmonton').format('llll') : 'Unknown';
-	const alarmUpdateAgo = (x) => stats && stats.alarm ? moment.unix(stats.alarm.time).tz('America/Edmonton').fromNow() : 'Unknown';
+	const alarmUpdateLast = (x) => stats && stats.alarm ? moment.unix(stats.alarm.time).tz(DISPLAY_TIMEZONE).format('llll') : 'Unknown';
+	const alarmUpdateAgo = (x) => stats && stats.alarm ? moment.unix(stats.alarm.time).tz(DISPLAY_TIMEZONE).fromNow() : 'Unknown';
 
 	const closedStat = (x) => stats && stats.closing ? moment().unix() > stats.closing['time'] ? 'No host' : 'Open until ' + stats.closing['time_str'] + ' with ' + stats.closing['first_name'] : 'Unknown';
 
diff --git a/webclient/src/InstructorClasses.js b/webclient/src/InstructorClasses.js
index ec3a526..8db451b 100644
--- a/webclient/src/InstructorClasses.js
+++ b/webclient/src/InstructorClasses.js
@@ -6,7 +6,7 @@ import 'react-datetime/css/react-datetime.css';
 import moment from 'moment-timezone';
 import './light.css';
 import { Button, Checkbox, Form, Grid, Header, Icon, Label, Message, Table } from 'semantic-ui-react';
-import { requester, randomString } from './utils.js';
+import { requester, randomString, DISPLAY_TIMEZONE } from './utils.js';
 import { MembersDropdown } from './Members.js';
 
 class AttendanceSheet extends React.Component {
@@ -18,7 +18,7 @@ class AttendanceSheet extends React.Component {
 			<div style={{ padding: '3rem', background: 'white', width: '100%', height: '100%' }}>
 				<Header size='medium'>{clazz.course_data.name} Attendance</Header>
 				<p>
-					{moment.utc(clazz.datetime).tz('America/Edmonton').format('llll')}
+					{moment.utc(clazz.datetime).tz(DISPLAY_TIMEZONE).format('llll')}
 					{num >= 2 ? ', '+num+' students sorted by registration time.' : '.'}
 				</p>
 
@@ -298,7 +298,7 @@ function InstructorClassEditor(props) {
 		error: error[name],
 	});
 
-	const classDate = moment.utc(input.datetime).tz('America/Edmonton');
+	const classDate = moment.utc(input.datetime).tz(DISPLAY_TIMEZONE);
 
 	useEffect(() => {
 		setInput({ ...input, date_confirmed: null, no_conflicts: null });
@@ -353,9 +353,9 @@ function InstructorClassEditor(props) {
 				<Datetime
 					timeConstraints={{ minutes: { step: 15 } }}
 					value={ input.datetime ?
-						moment.utc(input.datetime).tz('America/Edmonton')
+						moment.utc(input.datetime).tz(DISPLAY_TIMEZONE)
 					:
-						moment().tz('America/Edmonton').set({ minute: 0 })
+						moment().tz(DISPLAY_TIMEZONE).set({ minute: 0 })
 					}
 					onChange={handleDatetime}
 					input={false}
@@ -509,7 +509,7 @@ export function InstructorClassList(props) {
 
 	useEffect(() => {
 		setSameClasses(classes.filter(x =>
-			moment.utc(x.datetime).tz('America/Edmonton').isSame(input.datetime, 'day')
+			moment.utc(x.datetime).tz(DISPLAY_TIMEZONE).isSame(input.datetime, 'day')
 		).sort((a, b) => a.datetime > b.datetime ? 1 : -1));
 	}, [input.datetime]);
 
@@ -556,7 +556,7 @@ export function InstructorClassList(props) {
 									{sameClasses.length ?
 										sameClasses.map(x =>
 											<p>
-												{moment.utc(x.datetime).tz('America/Edmonton').format('LT')} — {x.course_data.name}
+												{moment.utc(x.datetime).tz(DISPLAY_TIMEZONE).format('LT')} — {x.course_data.name}
 											</p>
 										)
 									:
diff --git a/webclient/src/Training.js b/webclient/src/Training.js
index 9a77a60..e0395d9 100644
--- a/webclient/src/Training.js
+++ b/webclient/src/Training.js
@@ -3,7 +3,7 @@ import { Link } from 'react-router-dom';
 import './light.css';
 import { Container, Header, Popup, Table } from 'semantic-ui-react';
 import moment from 'moment-timezone';
-import { getInstructor, useIsMobile } from './utils.js';
+import { getInstructor, useIsMobile, DISPLAY_TIMEZONE } from './utils.js';
 
 export function CertList(props) {
 	const { member } = props;
@@ -120,7 +120,7 @@ export function TrainingList(props) {
 					<Table.Row key={x.id}>
 						<Table.Cell>{x.session.course_data.name}</Table.Cell>
 						<Table.Cell>
-							<Link style={{whiteSpace: 'nowrap'}} to={'/classes/'+x.session.id}>{moment(x.session.datetime).tz('America/Edmonton').format('ll')}</Link>
+							<Link style={{whiteSpace: 'nowrap'}} to={'/classes/'+x.session.id}>{moment(x.session.datetime).tz(DISPLAY_TIMEZONE).format('ll')}</Link>
 						</Table.Cell>
 						<Table.Cell>{isMobile && 'Attendance: '}{x.attendance_status}</Table.Cell>
 						<Table.Cell>{isMobile && 'Instructor: '}{getInstructor(x.session)}</Table.Cell>
diff --git a/webclient/src/utils.js b/webclient/src/utils.js
index 2b181c3..f06241f 100644
--- a/webclient/src/utils.js
+++ b/webclient/src/utils.js
@@ -14,6 +14,8 @@ export const staticUrl = window.location.port ?
 :
 	window.location.protocol + '//static.' + window.location.hostname;
 
+export const DISPLAY_TIMEZONE = process.env.REACT_APP_DISPLAY_TIMEZONE || 'America/Edmonton';
+
 export const isAdmin = (user) => user.is_staff || user.member.is_director || user.member.is_staff;
 export const isInstructor = (user) => isAdmin(user) || user.member.is_instructor;