<P> Grace Communion International (Armstrongism) taught seventh - day Sabbath observance . The United Church of God teaches seventh - day Sabbath observance . </P> <P> The Seventh - day Adventist Church arose in the mid-19th century in America after Rachel Oakes, a Seventh Day Baptist, gave a tract about the Sabbath to an Adventist Millerite, who passed it on to Ellen G. White . </P> <P> Fundamental Belief #20 of the Seventh - day Adventist Church states: </P> <P> The beneficent Creator, after the six days of Creation, rested on the seventh day and instituted the Sabbath for all people as a memorial of Creation . The fourth commandment of God's unchangeable law requires the observance of this seventh - day Sabbath as the day of rest, worship, and ministry in harmony with the teaching and practice of Jesus, the Lord of the Sabbath . The Sabbath is a day of delightful communion with God and one another . It is a symbol of our redemption in Christ, a sign of our sanctification, a token of our allegiance, and a foretaste of our eternal future in God's kingdom . The Sabbath is God's perpetual sign of His eternal covenant between Him and His people . Joyful observance of this holy time from evening to evening, sunset to sunset, is a celebration of God's creative and redemptive acts . (Gen. 2: 1 - 3; Ex. 20: 8 - 11; Luke 4: 16; Isa. 56: 5, Isa. 6; Isa. 58: 13, Isa. 14; Matt . 12: 1 - 12; Ex. 31: 13 - 17; Eze. 20: 12, Eze. 20; Deut. 5: 12 - 15; Heb. 4: 1 - 11; Lev. 23: 32; Mark 1: 32 .) </P>

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