"Mon, 19 Aug 2024 13:33:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
13:33:14
General datetime
2024-08-19 13:33:14Z
For Database
2024-08-19 13:33:14
For HTTP1.1
Mon, 19 Aug 2024 13:33:14 GMT