Candlemas, which comes 40 days after Christmas, happens on a Sunday once every so often. It celebrates what Luke’s Gospel describes when the 40-day old baby Jesus is presented in the Temple by his parents, and the elderly Simeon and Anna burst into song at seeing the Light of God enter the Temple. And that’s what we need to remember. That God is Light, and in his light enlightens all our darkness. But why a 40-day old baby?