"Mon, 23 Sep 2024 09:21:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240923
Only TIME
09:21:39
General datetime
2024-09-23 09:21:39Z
For Database
2024-09-23 09:21:39
For HTTP1.1
Mon, 23 Sep 2024 09:21:39 GMT