diff --git a/codalab/model/bundle_model.py b/codalab/model/bundle_model.py
index a8265614a..d10ecbe15 100644
--- a/codalab/model/bundle_model.py
+++ b/codalab/model/bundle_model.py
@@ -571,7 +571,7 @@ def add_join(table: Table, condition: Any, left_outer_join: bool = False):
                     conjunct = condition
             elif key in ('.before', '.after'):
                 try:
-                    target_datetime = parser.isoparse(value)
+                    target_datetime = parser.parse(value)
                 except ValueError:
                     raise UsageError(
                         "Unable to parse datetime. Datetime must be specified as an ISO-8601 datetime string such as YYYY-MM-DD."
diff --git a/tests/cli/test_cli.py b/tests/cli/test_cli.py
index 42c21a673..a8bb566c4 100644
--- a/tests/cli/test_cli.py
+++ b/tests/cli/test_cli.py
@@ -1939,6 +1939,12 @@ def test_search_time(ctx):
     time.sleep(1)
     time3 = datetime.now().isoformat()
 
+    # Check date format works correctly, GH issue #4360
+    check_not_equals(
+        'UsageError: Unable to parse datetime. Datetime must be specified as an ISO-8601 datetime string such as YYYY-MM-DD.',
+        _run_command([cl, 'search', '.before=2023-1-11', '.count']),
+    )
+
     # No results
     check_equals('', _run_command([cl, 'search', 'name=' + name, '.before=' + time1, '-u']))
     check_equals('', _run_command([cl, 'search', 'name=' + name, '.after=' + time3, '-u']))