Closed Date cannot be in Past :-
38426
Excluding System admin from this validation rule
35416
How to check if a date Object equals yesterday?
132091
Do not allow me protect closed questions
87154
What to do if an out of date question+answers already exists?
8212
How can I check if the current date/time is past a set date/time?
114041
display users that logged in since a date using last
64004
Why do close votes expire?
90993
How can I limit the days returned in the date module to today's and future dates only?
136891
What to do when visa admission expires during lockdown?
28283
Android app does not indicate closed questions until after you open them
80500
Java - Unparseable date
71181
why isn't this pulling data from 7 days back?
113703
How to correctly handle dates in queries constraints
7993
How to return rows between two datetimes stored as date and time?
57870
How to compare dates in hibernate
51862
How do I Re-open a Closed Proposal?
158115
Why can't a committed transaction be undone