"Mon, 09 Sep 2024 21:47:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240909
Only TIME
21:47:16
General datetime
2024-09-09 21:47:16Z
For Database
2024-09-09 21:47:16
For HTTP1.1
Mon, 09 Sep 2024 21:47:16 GMT