"Sat, 21 Sep 2024 22:11:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240921
Only TIME
22:11:54
General datetime
2024-09-21 22:11:54Z
For Database
2024-09-21 22:11:54
For HTTP1.1
Sat, 21 Sep 2024 22:11:54 GMT