"Mon, 12 Aug 2024 20:18:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240812
Only TIME
20:18:35
General datetime
2024-08-12 20:18:35Z
For Database
2024-08-12 20:18:35
For HTTP1.1
Mon, 12 Aug 2024 20:18:35 GMT