"Mon, 12 Aug 2024 15:24:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240812
Only TIME
15:24:20
General datetime
2024-08-12 15:24:20Z
For Database
2024-08-12 15:24:20
For HTTP1.1
Mon, 12 Aug 2024 15:24:20 GMT