"Mon, 21 Oct 2024 20:38:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
20:38:31
General datetime
2024-10-21 20:38:31Z
For Database
2024-10-21 20:38:31
For HTTP1.1
Mon, 21 Oct 2024 20:38:31 GMT