"Tue, 14 May 2024 14:37:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240514
Only TIME
14:37:31
General datetime
2024-05-14 14:37:31Z
For Database
2024-05-14 14:37:31
For HTTP1.1
Tue, 14 May 2024 14:37:31 GMT