Ready-made
Science fair judges
Judging times, an hour at a time.
Invite more judges than you need and let them pick. You get a list in time order and they get it in their calendar.
Start oneIt opens with the rows already in place. Change any of them before you share it.
An example
- 10:00–11:00 — 2 of 3 judges
Other templates people use
Ready when you are
A minute to set up, and nothing for anybody else to install.