"Mon, 23 Sep 2024 21:18:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240923
Only TIME
21:18:14
General datetime
2024-09-23 21:18:14Z
For Database
2024-09-23 21:18:14
For HTTP1.1
Mon, 23 Sep 2024 21:18:14 GMT