Heavenly Calendar

The Unification movement observes six principal Holy Days: God's Day, True Parents' Day, True Children's Day, the Day of All True Things, the Day of Victory of Love, and Foundation Day. Each of these days marks a specific providential milestone — not a cultural tradition or a seasonal festival, but a moment when a spiritual standard was established in human history for the first time. What sets these days apart from ordinary religious holidays is their providential character. They are understood not as commemorations of past events alone, but as living foundations that believers actively inherit and build upon through their own lives and families. Observed according to the Heavenly Calendar — which follows the lunar cycle — their dates shift each year relative to the solar calendar, connecting members to a rhythm of time that differs from secular convention.

God's Day was inaugurated by Rev. Moon on January 1, 1968, at 3 a.m. at the Unification Church headquarters in Cheongpadong, Seoul, Korea. It was the first day in history, Rev. Moon taught, when God could truly be honored in His own right — not as a distant ruler, but as a Parent whose children had finally returned to Him through a foundation of restored love. The date of January 1st was chosen to align God's Day with the very beginning of the new year, marking it as the most foundational day from which all other days take their meaning. The ceremony has traditionally begun at midnight, with Rev. Moon offering a prayer and then speaking to members gathered from around the world. Over the decades, these God's Day addresses became some of his most significant speeches — covering the year's motto, the state of providence, and his vision for the year ahead. In 1994, the name was updated to True God's Day to reflect a deeper understanding of God's nature as the Heavenly Parent. The day is observed with the recitation of the Family Pledge, Hoon Dok Hae reading, prayer, and celebration among families and communities.

Foundation Day — was proclaimed on January 13, 2013 (by the Heavenly Calendar), marking what the Unification movement regards as the formal inauguration of Cheon Il Guk: the Kingdom of Heaven on earth and in heaven. It is considered the most historically significant date in the entire restoration providence — the culmination of all the preparation, suffering, and indemnity conditions laid over thousands of years of human history. Unlike the other holy days, which were established incrementally across decades, Foundation Day represents a threshold moment — the point at which the age of restoration gave way to the age of settlement. Rev. Moon had prepared for this day throughout his life, and it was celebrated with major ceremonies in Korea and around the world. Going forward, Foundation Day is observed annually on the 13th day of the first month of the Heavenly Calendar, with members reciting the Family Pledge and reflecting on their responsibility as citizens of Cheon Il Guk.

The Day of Victory of Love was established on January 2, 1984, following the death of Rev. Moon's son Heung Jin Nim in a traffic accident on December 22, 1983. Rather than being observed as a day of mourning, Rev. Moon declared it a day of victory — teaching that his son's death, embraced with love and without resentment, had broken Satan's claim over human lineage in a way that could not otherwise have been achieved. In his foundational address, "The Necessity for the Day of Victory of Love", Rev. Moon explained the spiritual logic behind this day: that true love which overcomes death itself — love without grief turning into accusation, love that sacrifices even one's own child for the sake of God's providence — constitutes a form of victory over the forces of evil that had claimed humanity through the misuse of love at the beginning of human history. The day falls on the second day of the first month of the Heavenly Calendar and is observed each year as a reminder that love is stronger than death.

These three days form a sequence rooted in the theology of the four-position foundation. True Parents' Day was the first to be established — on April 1, 1960 (by the lunar calendar), shortly after Rev. Moon's Holy Wedding with Hak Ja Han on March 1, 1960. It marks the emergence of True Parents as a foundation from which restored humanity could trace its lineage back to God. For the first time in fallen history, parents stood on the side of heaven rather than the side of the Fall. True Children's Day followed in October 1960, establishing the standard of children born into a God-centered lineage. The Day of All True Things came next, in June 1963 — commemorating the restoration of the natural world to its rightful position under God and True Parents. Rev. Moon explained this progression in the inaugural God's Day speech: Parents' Day came first, then Children's Day, then the Day of All Things, and finally God's Day — each day building on the one before, completing the four-position foundation step by step.

Ahn Shil Il — meaning "Day of Sabbath" or "Day of Rest" — is a weekly observance in the Unification movement marked in blue on the Heavenly Calendar. It falls on a regular cycle within the lunar calendar and is distinguished from the red days, which mark the principal Holy Days. Ahn Shil Il is understood as a day of spiritual restoration — a time for families to gather, recite the Family Pledge, engage in Hoon Dok Hae, and rest from ordinary labor as a reflection of their alignment with God's creative rhythm. The Heavenly Calendar itself is one of the distinctive features of life within the Unification movement. Rather than following only the Gregorian solar calendar used by modern society, members observe a lunar-based calendar in which the providential dates — the six Holy Days, Ahn Shil Il, and other significant commemorations — are tracked each year.

The Heavenly Calendar — is a lunar calendar used within the Unification movement to track the dates of holy days, Ahn Shil Il, and other providential observances. Most of the movement's key dates were originally established according to the lunar calendar, which means their corresponding Gregorian dates shift each year. Beyond its practical function, the Heavenly Calendar carries a deeper meaning: it represents an alternative measure of time rooted in the providence rather than in secular convention. Rev. Moon taught that the movement exists within a providential timeline that does not simply follow human history but moves according to God's timetable of restoration. By observing the Heavenly Calendar, members participate in that rhythm consciously — ordering their weeks around Ahn Shil Il and their year around the six holy days rather than around national or commercial holidays alone.