Maundy Thursday uses the term "Maundy Thursday" to refer to the holy day in its official sources. In the Eastern Orthodox Church, the name for the holy day is, in the Byzantine Rite, "Great and Holy Thursday" or "Holy Thursday", and in Western Rite Orthodoxy "Maundy Thursday", "Holy Thursday" or both. The Coptic Orthodox Church uses the term "Covenant Thursday" or "Thursday of the Covenant". In the Maronite Church and the Syriac Orthodox Church, the name is "Thursday of Mysteries". "Maundy Thursday" is the official name of the day in the civil legislation of England and the Philippines. The day has also
Days of week on Hebrew calendar the "four gates". Since three arrangements cannot occur within the fixed calendar, most holidays can each occur on one of four possible days. All the holy days and festivals fall in the months of Nisan through Tishrei, months one to seven. These months always have the same number of days, alternating 30 and 29. The next two months are Cheshvan and Kislev, months eight and nine. Both or either of these months can have either 29 or 30 days, allowing for adjustments to be made and the schedule in the coming year to be manipulated. (On a regular year, Cheshvan