"Mon, 09 Sep 2024 17:21:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240909
Only TIME
17:21:13
General datetime
2024-09-09 17:21:13Z
For Database
2024-09-09 17:21:13
For HTTP1.1
Mon, 09 Sep 2024 17:21:13 GMT