"Mon, 16 Sep 2024 21:38:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240916
Only TIME
21:38:37
General datetime
2024-09-16 21:38:37Z
For Database
2024-09-16 21:38:37
For HTTP1.1
Mon, 16 Sep 2024 21:38:37 GMT