"Fri, 20 Sep 2024 21:09:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
21:09:40
General datetime
2024-09-20 21:09:40Z
For Database
2024-09-20 21:09:40
For HTTP1.1
Fri, 20 Sep 2024 21:09:40 GMT