"Mon, 12 Aug 2024 15:20:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240812
Only TIME
15:20:10
General datetime
2024-08-12 15:20:10Z
For Database
2024-08-12 15:20:10
For HTTP1.1
Mon, 12 Aug 2024 15:20:10 GMT