WhenNOT
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Create your event

Name it and pick the window to consider. Everyone you invite marks the days they can't — you'll see the openings instantly.

How should people answer?Chosen once, at creation.
Which dates should people consider?Set the window using the inputs or a quick preset.
Start date
End date

Your candidate window — guests mark the days they can't make

September 2026
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October 2026
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Which weekdays count?Unticked days are grayed out everywhere — nobody is asked about them and they never win.
Optional. Rank windows of this many consecutive calendar days. Leave blank to compare openings of any length.
Show who is out to everyoneOff: visitors see how many people are away on each day, and first names only. On: anyone with the link sees full names and exact away dates.
Organizers only
You'll get a shareable link next.
Create an event — WhenNOT