Troparion, tone 7: Thou wast transfigured on the mountain, O Christ our God, showing to Thy disciples Thy glory as each one could endure; shine forth Thou on us, who are sinners all, Thy light ever-unending. Through the prayers of the Theotokos. O Light-giver, glory to Thee.
By comparison to Great Lent, the Nativity fast may leave us feeling liturgically unmoored. But if we delve into the services of this season, we will find a great wealth of liturgical texts and commemorations that are beautifully and intrinsically tied to the coming birth of our Saviour.