II. The Lord’s Day

From The Catechism of the Catholic Church

We all gather on the day of
the sun, for it is the first day [after the Jewish sabbath, but also the first
day] when God, separating matter from darkness, made the world; and on this
same day Jesus Christ our Savior rose from the dead.¹⁰⁶

PART THREE: LIFE IN CHRIST

SECTION TWO THE TEN COMMANDMENTS
- CHAPTER ONE YOU SHALL LOVE THE LORD YOUR GOD WITH ALL YOUR HEART, AND WITH ALL YOUR SOUL, AND WITH ALL YOUR MIND
  - Article 3 THE THIRD COMMANDMENT
    - II. The Lord’s Day

From The Catechism of the Catholic Church – rosary.team