diff --git a/dftimewolf/cli/dftimewolf_recipes.py b/dftimewolf/cli/dftimewolf_recipes.py
index dbac1ff35..691348747 100644
--- a/dftimewolf/cli/dftimewolf_recipes.py
+++ b/dftimewolf/cli/dftimewolf_recipes.py
@@ -4,7 +4,6 @@
 
 import argparse
 from contextlib import redirect_stderr, redirect_stdout
-import datetime
 import curses
 import logging
 import os
@@ -522,10 +521,7 @@ def RunTool(cdm: Optional[CursesDisplayManager] = None) -> int:
     tool.telemetry.LogTelemetry('module', module, 'core', recipe_name)
 
   tool.telemetry.LogTelemetry(
-    'workflow_start',
-    datetime.datetime.now().strftime('%Y-%m-%dT%H:%M:%S.%fZ'),
-    'core',
-    recipe_name)
+      'workflow_start', str(time.time() * 1000), 'core', recipe_name)
 
   try:
     tool.ValidateArguments(tool.dry_run)
diff --git a/dftimewolf/lib/collectors/grr_base.py b/dftimewolf/lib/collectors/grr_base.py
index f711e4ec8..cd0c21b04 100644
--- a/dftimewolf/lib/collectors/grr_base.py
+++ b/dftimewolf/lib/collectors/grr_base.py
@@ -112,13 +112,14 @@ def _WrapGRRRequestWithApproval(
     approval_sent = False
     approval_url = None
     approval_url_shown = False
-    start = time.time()
+    # Log time in ms
+    start = time.time() * 1000
     telemetry_callback({"mpa_start": str(start)})
     while True:
       try:
         result = grr_function(*args, **kwargs)
-        telemetry_callback({"mpa_success": str(time.time())})
-        telemetry_callback({"mpa_duration": str(time.time() - start)})
+        telemetry_callback({"mpa_success": str(time.time() * 1000)})
+        telemetry_callback({"mpa_duration": str((time.time() * 1000) - start)})
         return result
       except grr_errors.AccessForbiddenError as exception:
         logger.warning(f"No valid approval found: {exception!s}")