Where is the url code for the calendar

There isn't one. The Calendar on iPhone is an App, not a website.

Ka1dza wrote:

Skylight wants a URL to connect with the phone’s calendar

Skylight support would be a better spot to look for help.

This is their app.

Maybe this?

https://skylight.zendesk.com/hc/en-us/articles/4410070776219-How-to-sync-an-iCloud-Calendar-via-the-Skylight-app

Great find Mr. Hoffman!!