"Mon, 23 Sep 2024 13:48:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240923
Only TIME
13:48:48
General datetime
2024-09-23 13:48:48Z
For Database
2024-09-23 13:48:48
For HTTP1.1
Mon, 23 Sep 2024 13:48:48 GMT