"Mon, 09 Sep 2024 21:31:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240909
Only TIME
21:31:23
General datetime
2024-09-09 21:31:23Z
For Database
2024-09-09 21:31:23
For HTTP1.1
Mon, 09 Sep 2024 21:31:23 GMT