"Mon, 21 Oct 2024 09:59:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
09:59:13
General datetime
2024-10-21 09:59:13Z
For Database
2024-10-21 09:59:13
For HTTP1.1
Mon, 21 Oct 2024 09:59:13 GMT