Date from to

Example: trying to force reset password. To so so I need to pick dates, for example join date, with a from and to picker. I cannot for the life of me figure out what those two dates mean. Is it from 00:01 AM? From 23:59? For example, if someone joined today 04/21 and I want the system to send them an email, do I put

1. 04/21 to 04/21,
2. 04/20 to 04/21 or
3. 04/20 to 04/22?

🥸

Edited April 21, 20214 yr by Giray