"Tue, 21 May 2024 22:57:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240521
Only TIME
22:57:14
General datetime
2024-05-21 22:57:14Z
For Database
2024-05-21 22:57:14
For HTTP1.1
Tue, 21 May 2024 22:57:14 GMT