"Mon, 09 Sep 2024 21:38:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240909
Only TIME
21:38:42
General datetime
2024-09-09 21:38:42Z
For Database
2024-09-09 21:38:42
For HTTP1.1
Mon, 09 Sep 2024 21:38:42 GMT