We need to spend time--chronos time--preparing ourselves and engaging in Kairos--God's time.
Vigil of Christmas 2012
Gaudium et Spes
Kairos and Chronos
Baruch Adonai Elohim Israel. Thus begins almost every Hebrew prayer to the Lord, the God of Israel, and so began the first words of the prayer Zechariah spoke at his son’s birth. These were words of thanksgiving and praise