"Mon, 06 May 2024 08:54:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240506
Only TIME
08:54:23
General datetime
2024-05-06 08:54:23Z
For Database
2024-05-06 08:54:23
For HTTP1.1
Mon, 06 May 2024 08:54:23 GMT