"Mon, 12 Aug 2024 14:15:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240812
Only TIME
14:15:20
General datetime
2024-08-12 14:15:20Z
For Database
2024-08-12 14:15:20
For HTTP1.1
Mon, 12 Aug 2024 14:15:20 GMT