"Mon, 08 Jul 2024 13:35:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240708
Only TIME
13:35:20
General datetime
2024-07-08 13:35:20Z
For Database
2024-07-08 13:35:20
For HTTP1.1
Mon, 08 Jul 2024 13:35:20 GMT