"Mon, 19 Aug 2024 17:25:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
17:25:13
General datetime
2024-08-19 17:25:13Z
For Database
2024-08-19 17:25:13
For HTTP1.1
Mon, 19 Aug 2024 17:25:13 GMT