TO TEST A STRING FOR A VALID DATE/TIME, TYPE IT HERE:

Note: Your local time may vary. This server is in America/Chicago
Current PHP version is 7.2.34
TRY TESTING SOME OF THESE STRINGS (CLICK THE LINK, OR COPY AND PASTE INTO THE FORM):
09/01/2014
09-01-2014
- 3 hours
tomorrow
tomorrow 3:15:25 pm
March 15, 1986
yesterday
yesterday + 1 week
next year
now
now + 627 hours 15 minutes
tomorrow midnight
tomorrow 1:35pm
last Tuesday
three days ago
last Friday + 2 weekdays
- 3 days
A TIME
A BOGUS TIME
s time
t time
u time
Avogadro's Constant
Wednesday November, 10 2010 1:01pm a misplaced comma
Wednesday, November 10 2010 1:01pm
First Tuesday 2005 works, but not the way you might think
Last day of January + 1 Month works, but not the way you might think
January 31 + 1 Month works, but not the way you might think
-1000000000 seconds one billion
+1000000000 seconds
42 and thanks for all the fish!