"Mon, 08 Jul 2024 09:20:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240708
Only TIME
09:20:16
General datetime
2024-07-08 09:20:16Z
For Database
2024-07-08 09:20:16
For HTTP1.1
Mon, 08 Jul 2024 09:20:16 GMT