GetCreatedTimeImplementation to get the time of object creation

GetCreatedTimeImplementation.cs

public class GetCreatedTimeImplementation : ITransientGetCreatedTime, 
        IScopedGetCreatedTime, 
        ISingletonGetCreatedTime
{
    private readonly DateTime createdOn;

    public GetCreatedTimeImplementation()
    {
        this.createdOn = DateTime.Now;
    }
    public DateTime GetCreatedTime()
    {
        return this.createdOn;
    }
}