"Mon, 23 Sep 2024 21:05:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240923
Only TIME
21:05:16
General datetime
2024-09-23 21:05:16Z
For Database
2024-09-23 21:05:16
For HTTP1.1
Mon, 23 Sep 2024 21:05:16 GMT