using System;

using System.Globalization;             

​

public class Program

{

    public static void Main()

    {

        var cdnTime = TimeSpan.Parse("23:12", CultureInfo.InvariantCulture);

        var nextTime = TimeSpan.Parse("01.00:03", CultureInfo.InvariantCulture);

        Console.WriteLine(cdnTime.TotalMinutes);

        Console.WriteLine(nextTime.TotalMinutes);

        Console.WriteLine(cdnTime.CompareTo(nextTime));

        Console.WriteLine(cdnTime < nextTime);

        var anotherTime = TimeSpan.FromMinutes(3);

        anotherTime = anotherTime.Add(TimeSpan.FromDays(1));        

        Console.WriteLine(anotherTime.TotalMinutes);

    }

}