Preheat oven to 325 degrees. Combine sugar, cinnamon and orange rind in a small bowl. In a shallow bowl, combine the eggs and orange juice. Melt butter in a 10 x 15 jelly roll pan. Sprinkle sugar mixture evenly over the melted butter. Dip bread in egg misture, soaking well, and arrange on top of the butter/sugar mixture. Bake for 15 - 20 minutes, watch carefully. Remove from the oven and carefully lift each piece out and flip over onto each plate. Dust with powdered sugar.