diff --git a/backend/backend_api/models.py b/backend/backend_api/models.py
index 7ad9d8e..a471002 100644
--- a/backend/backend_api/models.py
+++ b/backend/backend_api/models.py
@@ -151,8 +151,8 @@ def google_calendar_link(self):
         base_url = "https://www.google.com/calendar/render?action=TEMPLATE"
         workshop_title = escape(self.name)
         workshop_description = escape(self.desc)
-        start_datetime = (self.start_date + timedelta(hours=3, minutes=30)).strftime("%Y%m%dT%H%M%S")
-        end_datetime = (self.end_date + timedelta(hours=3, minutes=30)).strftime("%Y%m%dT%H%M%S")
+        start_datetime = self.start_date.strftime("%Y%m%dT%H%M%SZ")
+        end_datetime = self.end_date.strftime("%Y%m%dT%H%M%SZ")
 
         teachers_names = " ".join([teacher.name for teacher in self.teachers.all()])
         event_details = f"Teachers: {teachers_names}\nDescription: {workshop_description}"