Preheat oven to 400 degrees F. In mixing bowl, combine flour, baking powder and baking soda; cut in butter with pastry blended or two knives. Stir in cranberries, orange peel and sugar; stir in buttermilk just until ingredients are moistened. working on floured surface, shape dough into two 8-inch circles, 1/2-inch thick. Cut each circle into eight wedges and place on ungreased cookie sheet. Bake for 12 to 15 minutes, until lightly browned.