1
Navigate to [https://calendar.google.com/calendar/u/0/r/](https://calendar.google.com/calendar/u/0/r/)
2
Click the settings gear icon.
3
Click "Settings"
4
Click the checkbox next to "Speedy meetings"
5
This will automatically make 30 minute meetings 25 minutes and longer meetings 10 minutes meetings shorter than they would otherwise be (e.g., 60 -> 50 minutes).
6
As a courtesy, it's also good to allow your guests to modify the event. Click the "default guest permissions dropdown."
7
Click "Invite others, see guest list"
8
Click "Modify event"
9
Woohoo!
