"Mon, 19 Aug 2024 09:45:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
09:45:35
General datetime
2024-08-19 09:45:35Z
For Database
2024-08-19 09:45:35
For HTTP1.1
Mon, 19 Aug 2024 09:45:35 GMT