For more than 66 years, the Priests of the Sacred Heart have maintained and produced the American Ordo Liturgical Calendar as a resource for pastors in Catholic parishes in the United States.

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2026 ORDO Order of Prayer in the Liturgy of the Hours and Celebration of the Eucharist. Contains these and many more features: Necrology, Daily Readings, Data on Saints' Lives.

The meaning of ORDO is a list of offices and feasts of the Roman Catholic Church for each day of the year.

The Ordo is the small book that gives information about each day’s liturgy. It covers everything from the options for the readings, the color of vestments, and which types of Mass may be permitted for the day.

To find the ordo for a previous year, click here. This is a Catholic ordo (liturgical calendar) for the 2026 liturgical year for the Holy Sacrifice of the Mass in the Extraordinary Form according to the Missale …

The ORDO The Order of Services for the Liturgy of the Hours (LOH) and Mass in Churches and Oratories of the Congregation. Download Ordo 2026: ordo-2026.pdf Download Ordo 2025: ordo …

Paulist Press 2025 Ordo Books 1 through 38 and Book 40 (Spanish) Order of Prayer in the Liturgy of the Hours and Celebration of the Eucharist 2025. Includes daily readings and précis; outline of Mass and …

Shop ChurchSupplies.com 2025 Edition of the Paulist Press ORDO. Books 1-30 available covering all the Catholic Diocese of the United States.

The ORDO is the annual calendar containing abbreviated directions for each day's Mass and Divine Office, designed to aid in the preparation of the Liturgy. Along with the calendar of the Liturgical year, …