"Mon, 06 May 2024 20:00:44"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240506
Only TIME
20:00:44
General datetime
2024-05-06 20:00:44Z
For Database
2024-05-06 20:00:44
For HTTP1.1
Mon, 06 May 2024 20:00:44 GMT