Option A — Upload an .ics file

In Apple Calendar, drag an event to your Desktop (or File → Export… a whole calendar) to get a .ics file, then upload it here.

Read Events

Option B — Paste a calendar URL

In Apple Calendar, make a calendar Public and copy its subscription link (webcal://…). The server will fetch and re-read it each time. Note: a public calendar is readable by anyone who has the link.

Fetch & Read Events