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COMMENT

DateTime startDate = DateTime.UtcNow;
DateTime endDate = DateTime.Now;

TimeSpan timeDiff = endDate - startDate;

Console.WriteLine("{0} Days : {1} Hour : {2} Minute : {3} Second : {4} Milisecond", timeDiff.Days, timeDiff.Hours, timeDiff.Minutes, timeDiff.Seconds, timeDiff.Milliseconds);