"Mon, 12 Aug 2024 14:21:59"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240812
Only TIME
14:21:59
General datetime
2024-08-12 14:21:59Z
For Database
2024-08-12 14:21:59
For HTTP1.1
Mon, 12 Aug 2024 14:21:59 GMT