"Sat, 27 Jul 2024 08:12:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240727
Only TIME
08:12:31
General datetime
2024-07-27 08:12:31Z
For Database
2024-07-27 08:12:31
For HTTP1.1
Sat, 27 Jul 2024 08:12:31 GMT