"Fri, 20 Sep 2024 18:27:50"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
18:27:50
General datetime
2024-09-20 18:27:50Z
For Database
2024-09-20 18:27:50
For HTTP1.1
Fri, 20 Sep 2024 18:27:50 GMT