public static void Main(string[] args)
DateTime date1 = new DateTime(2020, 1, 1, 10, 15, 20);
DateTime date2 = new DateTime(2020, 11, 14, 15, 30, 45);
TimeSpan interval = date2 - date1;
Console.WriteLine("{0} - {1} = {2}", date2, date1, interval.ToString());
Console.WriteLine("Days:", interval.Days);
Console.WriteLine("TotalDays:", interval.TotalDays);
Console.WriteLine("Hours:", interval.Hours);
Console.WriteLine("TotalHours:", interval.TotalHours);
Console.WriteLine("Minutes:", interval.Minutes);
Console.WriteLine("TotalMinutes:", interval.TotalMinutes);
Console.WriteLine("Seconds:", interval.Seconds);
Console.WriteLine("TotalSeconds:", interval.TotalSeconds);
Console.WriteLine("Milliseconds:", interval.Milliseconds);
Console.WriteLine("TotalMilliseconds:", interval.TotalMilliseconds);