"Mon, 19 Aug 2024 05:39:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
05:39:35
General datetime
2024-08-19 05:39:35Z
For Database
2024-08-19 05:39:35
For HTTP1.1
Mon, 19 Aug 2024 05:39:35 GMT