"Mon, 19 Aug 2024 03:54:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
03:54:18
General datetime
2024-08-19 03:54:18Z
For Database
2024-08-19 03:54:18
For HTTP1.1
Mon, 19 Aug 2024 03:54:18 GMT