関連ワード:  what is advent catholic church    what is advent season in the catholic church    what is advent according to the catholic church    what is advent time in the catholic church    what color is advent in the catholic church    what is an advent penance service in the catholic church    what is the purpose of advent in the catholic church    what is the significance of advent in the catholic church    what is the first day of advent in the catholic church    what is advent and why is it important in the catholic church