Edit: This version will is old and is being replaced with this one.
Event Calendar v1- Thunkable.
This new version uses a different method to get each calendar with almost instant loading times.
I created a calendar component that allows you to customize the color, display events, appointments, etc.
New version allows you to get row id/list index from imported data. New code now lists events in chronological order and there is no need to organize your database (24h time format required for this method to work).
Sample blocks to get you started: