C#

for ( int i = 0; i < 12; i++ ) {

            DateTime beginDate = new DateTime( 2014, 01 + i, 01 );

            int dayDiff = ( int ) DayOfWeek.Tuesday - ( int ) beginDate.DayOfWeek;

            DateTime secondTuesday = beginDate.AddDays( dayDiff + ( dayDiff < 0 ? 14 : 7 ) );

            Console.WriteLine( "2nd Tuesday: {0}", secondTuesday );

         }  // end for.

public DateTime FindSecondTuesday(int month, int year)
{
  int day = 1;
  DateTime date = new DateTime(year, month, 1);
  while (true)
  {
    if (date.DayOfWeek == DayOfWeek.Tuesday)
      return date.AddDays(7);
    date = date.AddDays(1);
  }
}

public DateTime FindSecondTuesday(int month, int year)
{
  DateTime date = new DateTime(year, month, 1);
  switch (date.DayOfWeek)
  {
    case DayOfWeek.Sunday:
    {
      return date.AddDays(9);
    }
    case DayOfWeek.Monday:
    {
      return date.AddDays(8);
    }
    case DayOfWeek.Tuesday:
    {
      return date.AddDays(7);
    }
    case DayOfWeek.Wednesday:
    {
      return date.AddDays(13);
    }
    case DayOfWeek.Thursday:
    {
      return date.AddDays(12);
    }
    case DayOfWeek.Friday:
    {
      return date.AddDays(11);
    }
    case DayOfWeek.Saturday:
    {
      return date.AddDays(10);
    }
    default:
    {
      throw new InvalidOperationException("Lousy Smarch weather!");
    }
  }
}