"Fri, 20 Sep 2024 16:21:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
16:21:35
General datetime
2024-09-20 16:21:35Z
For Database
2024-09-20 16:21:35
For HTTP1.1
Fri, 20 Sep 2024 16:21:35 GMT