"Mon, 15 Jul 2024 14:12:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
14:12:31
General datetime
2024-07-15 14:12:31Z
For Database
2024-07-15 14:12:31
For HTTP1.1
Mon, 15 Jul 2024 14:12:31 GMT