"Fri, 20 Sep 2024 08:21:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
08:21:55
General datetime
2024-09-20 08:21:55Z
For Database
2024-09-20 08:21:55
For HTTP1.1
Fri, 20 Sep 2024 08:21:55 GMT