Welcome To Knox Orthodox Presbyterian Church

At Knox, God is building a community of people who have experienced His love in Jesus and who are learning how to love and serve each other for Jesus’ sake.

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9:30 AM-Catechism (All ages)

9:45 AM-Sunday School (All ages)

11:00 AM-Morning Worship

6:30 PM-Evening Worship

Pastor’s Welcome Directions

Explore Our Sermons

AM Order of Worship

PM Order of Worship

Sunday School and Sermon Series

Adult Sunday School

Beginning Sunday, July 12, 2026, the adult Sunday School class will begin viewing the video series Contending for the Faith – The Book of Jude by Rev. Jason Helopoulos. Though brief enough to read in just a few minutes, Jude’s epistle offers profound insights that are as relevant today as they were in his time. Confronted with false teaching and ungodliness, Jude sounded an alarm for the church, and his epistle provides practical lessons for standing firm in the truth and confronting falsehood without losing sight of mercy and love. In this teaching series, Rev. Jason Helopoulos explores the urgent…

Morning Sermon Series

Habakkuk: Living By Faith – Beginning in May 2026, Pastors Martin and Watson will begin a series of morning sermons from Habakkuk. How does faith respond when chaos reigns? The question has a contemporary ring, but it’s by no means a new one. In fact, it’s a question the Bible raises and addresses head on in more than one place. One of the most dramatic collisions of faith and experience occurs in the book of Habakkuk. Indeed, the prophet is so shaken by what he sees that he confronts God directly: “Whatever are you doing?” This is a dramatic re-imagining…

Evening Sermon Series

Psalms 1 – 12 – Beginning May 17, and continuing through August, our evening sermons will explore Psalms 1 through 12. John Calvin considered the Book of Psalms to be “An Anatomy of all the Parts of the Soul”, explaining that, “there is not an emotion of which any one can be conscious that is not here represented as in a mirror. Or rather, the Holy Spirit has here drawn to the life all the griefs, sorrows, fears, doubts, hopes, cares, perplexities, in short, all the distracting emotions with which the minds of men are wont to be agitated”. (from…

Shorter Catechism


Study question for July 26, 2026
Q. 30
How doth the Spirit apply to us the redemption purchased by Christ?
A. 30
The Spirit applieth to us the redemption purchased by Christ, by working faith in us, and thereby uniting us to Christ in our effectual calling.


The Westminster Shorter Catechism can be found on the OPC website.

Study question for August 02, 2026
Q. 31
What is effectual calling?
A. 31
Effectual calling is the work of God’s Spirit, whereby, convincing us of our sin and misery, enlightening our minds in the knowledge of Christ, and renewing our wills, he doth persuade and enable us to embrace Jesus Christ, freely offered to us in the gospel.

The Westminster Shorter Catechism can be found on the OPC website.

Reading Through The Bible

Week 31 July 26 – August 01

SundayThe Epistles1 Thessalonians 4, 5
MondayThe LawLeviticus 22 – 24
Tuesday History2 Kings 21 – 25
WednesdayPsalmsPsalms 90 – 92
ThursdayPoetryProverbs 14, 15
FridayThe ProphetsEzekiel 43 – 46
SaturdayGospels & ActsJohn 1, 2

Services at 11:00 am and 6:30 pm

Sunday school at 9:45 am for all ages

410 Granville Dr.
Silver Spring, MD 20901
(301) 587-6637

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