Stop booking the same Saturday.
One calendar every local organisation can post to. Town Clock flags the overlap while there is still time to move it, and shows each group only what it is meant to see.
Demonstration build. Everything runs in your browser — no
account, no server, nothing sent anywhere. The privacy tiers filter what is
shown, but all the data is in this page, so nothing here is truly private.
Find a clear window
Scans the visible calendar for gaps — the same search the server runs when it offers an alternative time.
Who can see what
Semi-public events reach invited members, or anyone inside the organiser's radius. Move around the county and watch the list change.
Add an event
Bring a calendar in, take one out
Google, Outlook and Apple all export .ics files.
Drop one in and its events join the conflict check — the same aggregation the
full version does over OAuth, without the automatic sync.