"Mon, 15 Jul 2024 08:37:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
08:37:38
General datetime
2024-07-15 08:37:38Z
For Database
2024-07-15 08:37:38
For HTTP1.1
Mon, 15 Jul 2024 08:37:38 GMT