"Fri, 20 Sep 2024 18:45:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
18:45:57
General datetime
2024-09-20 18:45:57Z
For Database
2024-09-20 18:45:57
For HTTP1.1
Fri, 20 Sep 2024 18:45:57 GMT