Calendar Blockify

Open Google Calendar Settings

Go to Google Calendar and click the gear icon, then "Settings".

Select Your Calendar

In the left sidebar under "Settings for my calendars", click on the calendar you want to share.

Find "Secret address in iCal format"

Scroll down to "Integrate calendar" section. Look for "Secret address in iCal format" and copy the URL.

Note: Keep this URL private - anyone with it can see your calendar events.

Add to Calendar Blockify

Paste the ICS URL below, give it a name, and click "Add". You can add multiple calendars.