"Mon, 16 Sep 2024 21:39:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240916
Only TIME
21:39:56
General datetime
2024-09-16 21:39:56Z
For Database
2024-09-16 21:39:56
For HTTP1.1
Mon, 16 Sep 2024 21:39:56 GMT