"Fri, 20 Sep 2024 20:18:50"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
20:18:50
General datetime
2024-09-20 20:18:50Z
For Database
2024-09-20 20:18:50
For HTTP1.1
Fri, 20 Sep 2024 20:18:50 GMT