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Assumption Grotto

13770 Gratiot Ave.
Detroit, Michigan 48205
Phone: (313) 372-0762
Email: GrottoRectory@ameritech.net
Website: http://www.assumptiongrotto.com/

Mass Times

Saturday Vigil
4:00 p.m. new Mass, English
Sunday
6:30 a.m. new Mass, English (no music)
*9:30 a.m. “Tridentine”, with choir
*12:00 p.m. new Mass in English, some Latin

Weekday Masses
Monday – Saturday at 7:30 a.m., “Tridentine” low or high

Holy Days of Obligation
Same as Sunday times, but with added 7:00 p.m. Mass.

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Liturgical Calendar

5th	Monday	Monday after Christmas Octave
6th	Tuesday	The Epiphany
7th	Wednesday	Saint Raymond of Penyafort, priest Wednesday after Epiphany
8th	Thursday	Thursday after Epiphany
9th	Friday	Friday after Epiphany
10th	Saturday	Saturday after Epiphany
11th	Sunday	The Baptism of the Lord
12th	Monday	Monday, 1st week in Ordinary Time

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they who wait for the LORD shall renew their strength, they shall mount up with wings like eagles, they shall run and not be weary, they shall walk and not faint.

Isaiah 40:31

Daily Mass Readings

The Epiphany of the Lord

Jan. 4, 2026

Christmas Weekday

Jan. 3, 2026

Memorial of Saints Basil the Great and Gregory Nazianzen, Bishops and Doctors of the Church

Jan. 2, 2026

Solemnity of Mary, the Holy Mother of God

Jan. 1, 2026

The Seventh Day in the Octave of Christmas

Dec. 31, 2025

The Sixth Day in the Octave of Christmas