Google Calendar – When Are Reminders Sent for All-Day Events?

google-calendarreminder

If I set up an all day event and choose "10 minutes" as the remind time, when should I expect to be reminded of the event?

I'm looking for an exact date/time.

Update: I guess they are really sent relative to 12:00 AM… it's just that I'm having a different problem where it's not respecting my time zone settings and instead is using UTC.

Best Answer

They are sent based on 5pm the previous day in your calendar's local time zone.

From Google's page:

Reminders for events that last the entire day ('All Day' events) are based on 5:00 pm the day before the event (according to your current time zone). If you choose to receive your reminder 10 minutes before your "All Day" event on August 24th, you'll be reminded on August 23rd at 4:50 pm.