"Tue, 21 May 2024 22:19:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240521
Only TIME
22:19:57
General datetime
2024-05-21 22:19:57Z
For Database
2024-05-21 22:19:57
For HTTP1.1
Tue, 21 May 2024 22:19:57 GMT