"Fri, 20 Sep 2024 08:45:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
08:45:09
General datetime
2024-09-20 08:45:09Z
For Database
2024-09-20 08:45:09
For HTTP1.1
Fri, 20 Sep 2024 08:45:09 GMT