"Mon, 15 Apr 2024 14:10:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240415
Only TIME
14:10:31
General datetime
2024-04-15 14:10:31Z
For Database
2024-04-15 14:10:31
For HTTP1.1
Mon, 15 Apr 2024 14:10:31 GMT