In the Christian tradition, Maundy Thursday or Holy Thursday is the Thursday before Easter — the day on which the Last Supper occurred. Also known as Sheer Thursday in the United Kingdom, it is traditionally a day of cleaning and giving out Maundy money there. Holy Thursday is part of Holy Week.
In the Eastern Orthodox Church. Thursdays are dedicated to the Apostles and Saint Nicholas. The Octoechos contains hymns on these themes, arranged in an eight-week cycle, that are chanted on Thursdays throughout the year. At the end of Divine Services on Thursday, the dismissal begins with the words: "May Christ our True God, through the intercessions of his most-pure Mother, of the holy, glorious and all-laudable Apostles, of our Father among the saints Nicholas, Archbishop of Myra in Lycia, the Wonder-worker…"