Advent Candle Set. The Purple represents Penance - preparing the way,one of which is lit on the first,second and fourth Sunday of Advent. The rose pink Candle is lit on the third Sunday (Gaudate Sunday) representing joy. Finally the white candle is lit on Christmas morning. The Birth of Christ,the light of the world. Advent rings sold separately, see recommended items. Candle Size: 18 Inches High x 2 Inches diameter candles, overdipped, 3 purple, 1 pink, 1 white.