"Mon, 12 Aug 2024 15:27:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240812
Only TIME
15:27:20
General datetime
2024-08-12 15:27:20Z
For Database
2024-08-12 15:27:20
For HTTP1.1
Mon, 12 Aug 2024 15:27:20 GMT