"Mon, 23 Sep 2024 15:07:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240923
Only TIME
15:07:15
General datetime
2024-09-23 15:07:15Z
For Database
2024-09-23 15:07:15
For HTTP1.1
Mon, 23 Sep 2024 15:07:15 GMT