"Mon, 19 Aug 2024 10:39:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
10:39:13
General datetime
2024-08-19 10:39:13Z
For Database
2024-08-19 10:39:13
For HTTP1.1
Mon, 19 Aug 2024 10:39:13 GMT