"Mon, 16 Sep 2024 17:20:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240916
Only TIME
17:20:13
General datetime
2024-09-16 17:20:13Z
For Database
2024-09-16 17:20:13
For HTTP1.1
Mon, 16 Sep 2024 17:20:13 GMT