Google-calendar – How to reload/refresh the contacts birthday’s calendar in Google Calendar

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I recently removed a number of contacts from Gmail but their birthday's still show up in my contacts birthday's calendar I subscribe to.

I unsubscribed/resubscribed to the calendar but the birthdays for contacts I've removed are still there.

Is there a way to reload the calendar so it matches my updated contacts list?

Best Answer

It seems to be an overnight process. A couple months ago I added a whole bunch of anniversaries and birthdays and they didn't actually appear in the calendar until the next day. Same when I removed some.