"Mon, 15 Jul 2024 03:08:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
03:08:48
General datetime
2024-07-15 03:08:48Z
For Database
2024-07-15 03:08:48
For HTTP1.1
Mon, 15 Jul 2024 03:08:48 GMT