"Fri, 20 Sep 2024 20:40:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
20:40:12
General datetime
2024-09-20 20:40:12Z
For Database
2024-09-20 20:40:12
For HTTP1.1
Fri, 20 Sep 2024 20:40:12 GMT