"Mon, 19 Aug 2024 18:11:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
18:11:56
General datetime
2024-08-19 18:11:56Z
For Database
2024-08-19 18:11:56
For HTTP1.1
Mon, 19 Aug 2024 18:11:56 GMT