First time? Three clicks
Try it with sample rows
Preview (changes nothing)
Sync now, then open Google Calendar
Try it with sample rows
Sync
Preview
Sync now
Undo last sync
Preview shows what would change and writes nothing.
Settings
Tab name
Calendar ID ("primary" = your main calendar)
Other calendars: Google Calendar > Settings > the calendar > Integrate calendar > Calendar ID.
Default length (minutes, when End is blank)
Dates like 03/11/2026 mean
3 November (day first)
March 11 (month first)
When a row is deleted
Delete its event
Keep the event
Changed in both places
Sheet wins
Calendar wins
Automatic sync (Pro)
Off
Every hour
Every 6 hours
Once a day
Allow bulk delete (more than 20 events for removed rows)
Save settings
Set up sheet
Pro licence
Licence key from your receipt
Unlock Pro
The key is checked with the Oarsman licence API from this sidebar, then re-checked weekly. No sheet or calendar data is sent.
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