These calendars are for many users to add event data for the benefit of all. We have strong Open Data feeds, so the data is reusable and useful to everyone.
To do this, we need your help.
First, create a user account. The administrator of the calendar might have given you user permissions to edit the calendar or on the front page of the calendar there may be a way to request user permissions. Or just contact them and ask.
Simply browse the site - all editing is done in your browser using a simple process.
All edits are saved, so don’t worry that you might break something.