"Mon, 21 Oct 2024 21:23:08"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
21:23:08
General datetime
2024-10-21 21:23:08Z
For Database
2024-10-21 21:23:08
For HTTP1.1
Mon, 21 Oct 2024 21:23:08 GMT