"Mon, 23 Sep 2024 21:12:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240923
Only TIME
21:12:11
General datetime
2024-09-23 21:12:11Z
For Database
2024-09-23 21:12:11
For HTTP1.1
Mon, 23 Sep 2024 21:12:11 GMT