"Mon, 23 Sep 2024 21:34:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240923
Only TIME
21:34:42
General datetime
2024-09-23 21:34:42Z
For Database
2024-09-23 21:34:42
For HTTP1.1
Mon, 23 Sep 2024 21:34:42 GMT