"Sun, 21 Jul 2024 08:32:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240721
Only TIME
08:32:31
General datetime
2024-07-21 08:32:31Z
For Database
2024-07-21 08:32:31
For HTTP1.1
Sun, 21 Jul 2024 08:32:31 GMT