"Mon, 16 Sep 2024 20:37:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240916
Only TIME
20:37:23
General datetime
2024-09-16 20:37:23Z
For Database
2024-09-16 20:37:23
For HTTP1.1
Mon, 16 Sep 2024 20:37:23 GMT