using System;

public class Program

{

    public static void Main()

    {

        DateTime departure = new DateTime(2020, 3, 9, 18, 30, 0);

        DateTime arrival = new DateTime(2020, 3, 9, 20, 00, 0);

        TimeSpan travelTime = arrival - departure;  

​

        Console.WriteLine(travelTime);

    }

}