"Tue, 21 May 2024 08:53:53"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240521
Only TIME
08:53:53
General datetime
2024-05-21 08:53:53Z
For Database
2024-05-21 08:53:53
For HTTP1.1
Tue, 21 May 2024 08:53:53 GMT