"Mon, 06 May 2024 08:54:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240506
Only TIME
08:54:15
General datetime
2024-05-06 08:54:15Z
For Database
2024-05-06 08:54:15
For HTTP1.1
Mon, 06 May 2024 08:54:15 GMT