"Mon, 19 Aug 2024 13:51:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
13:51:35
General datetime
2024-08-19 13:51:35Z
For Database
2024-08-19 13:51:35
For HTTP1.1
Mon, 19 Aug 2024 13:51:35 GMT