Firebase Firestory query where stored timestamp is in the past

Question

I need to delete all Documents which have a timestamp (stored in a field) prior to today.

The timestamp is created in the Firestore GUI. The following query doesnt retur

Answer 1

Whenever passing a date to Firestore, you should pass in an actual Date object. Date.now() returns a timestamp, which is just a number and not a Date object itself. To get the actual Date for the same value, use new Date(). So:

collectionRef
  .where('timestampFieldName', '<', new Date())
  .get()