"Fri, 20 Sep 2024 08:18:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
08:18:20
General datetime
2024-09-20 08:18:20Z
For Database
2024-09-20 08:18:20
For HTTP1.1
Fri, 20 Sep 2024 08:18:20 GMT