. ... To lose a sense of Sunday as the Lord's Day, a day to be sanctified, is symptomatic of the loss of an authentic sense of Christian freedom, the freedom of the children of God. Here some observations made by my venerable predecessor John Paul II in his Apostolic Letter Dies Domini continue to have great value. Speaking of the various dimensions of the Christian celebration of Sunday, he said that it is Dies Domini with regard to the work of creation, Dies Christi as the day of the new creation and the Risen Lord's gift of the Holy Spirit, Dies Ecclesiae as the day on which the Christian community gathers for the celebration, and Dies hominis as the day of joy, rest and fraternal charity.
Sunday thus appears as the primordial holy day, when all believers, wherever they are found, can become heralds and guardians of the true meaning of time. ...
Finally, it is particularly urgent nowadays to remember that the day of the Lord is also a day of rest from work. It is greatly to be hoped that this fact will also be recognized by civil society, so that individuals can be permitted to refrain from work without being penalized. Christians, not without reference to the meaning of the Sabbath in the Jewish tradition, have seen in the Lord's Day a day of rest from their daily exertions.
— Pope Benedict XVI, Apostolic Exhortation SACRAMENTUM CARITATIS, February 22, 2007.