"Mon, 12 Aug 2024 14:12:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240812
Only TIME
14:12:21
General datetime
2024-08-12 14:12:21Z
For Database
2024-08-12 14:12:21
For HTTP1.1
Mon, 12 Aug 2024 14:12:21 GMT