"Mon, 29 Jul 2024 20:34:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240729
Only TIME
20:34:31
General datetime
2024-07-29 20:34:31Z
For Database
2024-07-29 20:34:31
For HTTP1.1
Mon, 29 Jul 2024 20:34:31 GMT