"Fri, 20 Sep 2024 13:40:44"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
13:40:44
General datetime
2024-09-20 13:40:44Z
For Database
2024-09-20 13:40:44
For HTTP1.1
Fri, 20 Sep 2024 13:40:44 GMT