"Mon, 23 Sep 2024 21:16:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240923
Only TIME
21:16:36
General datetime
2024-09-23 21:16:36Z
For Database
2024-09-23 21:16:36
For HTTP1.1
Mon, 23 Sep 2024 21:16:36 GMT