This add-on let's you schedule events in your Google Calendar from your Google Sheet. This is the Ultimate version of our Google Sheet to Google Calendar add-on with all features included.
 
Features: 
 
All events
Update events 
Delete events
Add All-day events
Batch Add
Batch Update
Batch Delete
Open Event
Discontinued - Instant Sync (*Applies only to default calendar and manual changes made to the calendar.)