[C#] 두 날짜 사이의 간격 구하기(일,시,분 간격)

DateTime oldDate = new DateTime(2002,7,15);
DateTime newDate = DateTime.Now;

// Difference in days, hours, and minutes.
TimeSpan ts = newDate - oldDate;
// Difference in days.
int differenceInDays = ts.Days;

Console.WriteLine("Difference in days: {0} ", differenceInDays);