"Fri, 20 Sep 2024 21:03:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
21:03:01
General datetime
2024-09-20 21:03:01Z
For Database
2024-09-20 21:03:01
For HTTP1.1
Fri, 20 Sep 2024 21:03:01 GMT