"Mon, 08 Jul 2024 16:35:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240708
Only TIME
16:35:37
General datetime
2024-07-08 16:35:37Z
For Database
2024-07-08 16:35:37
For HTTP1.1
Mon, 08 Jul 2024 16:35:37 GMT