"Mon, 06 May 2024 14:37:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240506
Only TIME
14:37:38
General datetime
2024-05-06 14:37:38Z
For Database
2024-05-06 14:37:38
For HTTP1.1
Mon, 06 May 2024 14:37:38 GMT