"Mon, 12 Aug 2024 23:15:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240812
Only TIME
23:15:47
General datetime
2024-08-12 23:15:47Z
For Database
2024-08-12 23:15:47
For HTTP1.1
Mon, 12 Aug 2024 23:15:47 GMT