using System;
public class DateArithmetic
{
public static void Main()
{
DateTime date1, date2;
DateTimeOffset dateOffset1, dateOffset2;
TimeSpan difference;
dateOffset1 = DateTimeOffset.Now;
dateOffset2 = DateTimeOffset.UtcNow;
difference = dateOffset1 - dateOffset2;
Console.WriteLine("{0} - {1} = {2}", dateOffset1, dateOffset2, difference);
}
}