"Mon, 12 Aug 2024 21:40:07"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240812
Only TIME
21:40:07
General datetime
2024-08-12 21:40:07Z
For Database
2024-08-12 21:40:07
For HTTP1.1
Mon, 12 Aug 2024 21:40:07 GMT