"Mon, 23 Sep 2024 21:55:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240923
Only TIME
21:55:17
General datetime
2024-09-23 21:55:17Z
For Database
2024-09-23 21:55:17
For HTTP1.1
Mon, 23 Sep 2024 21:55:17 GMT