def init_rolled_holidays
        # First of the year, rolls either forward or back.
        @new_years_day    = roll_nominal(Date.new(year, 1, 1))

        # 4'th of July
        @independence_day = roll_nominal(Date.new(year, 7, 4))

        # November 11
        @veterans_day     = roll_nominal(Date.new(year, 11, 11))

        # December 25
        @christmas        = roll_nominal(Date.new(year, 12, 25))
      end
def init_rolled_holidays
        # First of the year, rolls either forward or back.
        @new_years_day    = roll_nominal(Date.new(year, 1, 1))

        # 4'th of July
        @independence_day = roll_nominal(Date.new(year, 7, 4))

        # November 11
        @veterans_day     = roll_nominal(Date.new(year, 11, 11))

        # December 25
        @christmas        = roll_nominal(Date.new(year, 12, 25))
      end
These holidays are potentially rolled if they come on a weekend.