"Mon, 15 Jul 2024 08:23:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
08:23:48
General datetime
2024-07-15 08:23:48Z
For Database
2024-07-15 08:23:48
For HTTP1.1
Mon, 15 Jul 2024 08:23:48 GMT