"Fri, 20 Sep 2024 21:30:08"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
21:30:08
General datetime
2024-09-20 21:30:08Z
For Database
2024-09-20 21:30:08
For HTTP1.1
Fri, 20 Sep 2024 21:30:08 GMT