Use URL calendar= parameter to specify public Google calendar events to display.
Designed for landscape layout
For display of google calendar events, requires an API key to be specified in apikey parameter
Example:
https://nielm.github.io/clock/clock.html
?calendar=calendar=es-es.spain%23holiday@group.v.calendar.google.com
&calendar=fr-fr.be%23holiday@group.v.calendar.google.com
&apikey=XXXXXXXXXXXXXXXXXXXXX
Add &date=2025-11-12T13:14 to display a fixed date/time for debugging, which also allows you to click on dates to change display date
Use with a kiosk - style full screen pinned app webview, for example: