"Mon, 21 Oct 2024 14:42:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
14:42:14
General datetime
2024-10-21 14:42:14Z
For Database
2024-10-21 14:42:14
For HTTP1.1
Mon, 21 Oct 2024 14:42:14 GMT