"Mon, 08 Jul 2024 18:37:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240708
Only TIME
18:37:13
General datetime
2024-07-08 18:37:13Z
For Database
2024-07-08 18:37:13
For HTTP1.1
Mon, 08 Jul 2024 18:37:13 GMT