"Fri, 20 Sep 2024 20:55:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
20:55:38
General datetime
2024-09-20 20:55:38Z
For Database
2024-09-20 20:55:38
For HTTP1.1
Fri, 20 Sep 2024 20:55:38 GMT