Fr. James Schall explains the calendar(s):

We Catholics live, as it were, in a double time zone. We live in cosmic time. The ages of the universe, Sun, and planet are behind us but still go on. We also live in creation-redemption time. The Liturgical Year keeps our attention on this second time, the time that really counts. For those who live only in cosmic time, their lives mean relatively little or nothing. Even if they suspect that their lives have some purpose, they have little light on what it might be. They are but one of the hundreds of billions of our kind who have gone before. Is that it?

The Liturgical Year is divided into two great events, the birth and resurrection of Christ. The Liturgical Year begins with Advent...

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