"Mon, 09 Sep 2024 15:45:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240909
Only TIME
15:45:13
General datetime
2024-09-09 15:45:13Z
For Database
2024-09-09 15:45:13
For HTTP1.1
Mon, 09 Sep 2024 15:45:13 GMT