fix: google calendar sync times (#18384) (#18394)

(cherry picked from commit 77ae997b14)

Co-authored-by: PeterG <this-gavagai@users.noreply.github.com>

frappe/integrations/doctype/google_calendar/google_calendar.py

@@ -517,10 +517,10 @@ def google_calendar_to_repeat_on(start, end, recurrence=None):
 	repeat_on = {
 		"starts_on": get_datetime(start.get("date"))
 		if start.get("date")
-		else parser.parse(start.get("dateTime")).utcnow(),
+		else parser.parse(start.get("dateTime")).astimezone().replace(tzinfo=None),
 		"ends_on": get_datetime(end.get("date"))
 		if end.get("date")
-		else parser.parse(end.get("dateTime")).utcnow(),
+		else parser.parse(end.get("dateTime")).astimezone().replace(tzinfo=None),
 		"all_day": 1 if start.get("date") else 0,
 		"repeat_this_event": 1 if recurrence else 0,
 		"repeat_on": None,