"Mon, 16 Sep 2024 20:18:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240916
Only TIME
20:18:54
General datetime
2024-09-16 20:18:54Z
For Database
2024-09-16 20:18:54
For HTTP1.1
Mon, 16 Sep 2024 20:18:54 GMT