"Mon, 19 Aug 2024 14:36:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
14:36:13
General datetime
2024-08-19 14:36:13Z
For Database
2024-08-19 14:36:13
For HTTP1.1
Mon, 19 Aug 2024 14:36:13 GMT