"Fri, 20 Sep 2024 20:34:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
20:34:56
General datetime
2024-09-20 20:34:56Z
For Database
2024-09-20 20:34:56
For HTTP1.1
Fri, 20 Sep 2024 20:34:56 GMT