"Mon, 19 Aug 2024 18:57:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
18:57:12
General datetime
2024-08-19 18:57:12Z
For Database
2024-08-19 18:57:12
For HTTP1.1
Mon, 19 Aug 2024 18:57:12 GMT