"Mon, 19 Aug 2024 17:34:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
17:34:33
General datetime
2024-08-19 17:34:33Z
For Database
2024-08-19 17:34:33
For HTTP1.1
Mon, 19 Aug 2024 17:34:33 GMT