The Ascension of Bahá'u'lláh is a Bahá'í holy day commemorating the passing of Mírzá Husayn-'Alí, the founder of the Bahá'í Faith, who died on May 29, 1892, near Haifa in the Holy Land after forty years of imprisonment and exile . Observed annually on May 29 (in 2026, from sunset May 28 through sunset May 29), the commemoration is held at approximately 3 a.m., the actual time of his passing . Bahá'ís mark the occasion with prayers, readings from the scriptures, and recitation of the Tablet of Visitation, reflecting on his mission and the Covenant that ensured the unity of the faith after his death .