Troubleshooting: Calendar
I can't sync my calendar
Check that you turned on synchronization for your calendars. On the home screen, swipe down from the top of the
screen. Tap 
Settings > Accounts. Tap an account. Check that the Sync Calendar switch is set to
On.
I can't reply to or send meeting invitations
Check that you added an email account that has an integrated calendar. Some accounts might not include a calendar feature.
New or updated events aren't appearing in my calendar
You might need to refresh your calendars. In the
Calendar app, swipe down from the top of the screen. Tap 
.