Kat

I was able to replicate this issue. The birthday calendar you're using seems to be one of the autogenerated ones made by Google. I'll look into how to handle it...

Yea, it seems like any of the auto generated calendars such as birthdays or public holidays won't work. It's not even the fact that the calendar is read only since...

Do you mind giving an example of a link to a shared database? You can change up your domain and the database id a bit to anonymize it, I just...

This is a known thing relating to time zones being funky in Google apps script. Some people had success in fixing it by going into their project settings and changing...