"Mon, 23 Sep 2024 12:45:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240923
Only TIME
12:45:15
General datetime
2024-09-23 12:45:15Z
For Database
2024-09-23 12:45:15
For HTTP1.1
Mon, 23 Sep 2024 12:45:15 GMT