Maundy Thursday have an Anglican patrimony, retain the traditional English term "Maundy Thursday", however. An article in the 1911 "Catholic Encyclopedia" used the term "Maundy Thursday", and some Catholic writers use the same term either primarily, or alternatively. The Methodist "Book of Worship for Church and Home" (1965) uses the term "Maundy Thursday"; the "Book of Worship" (1992) uses the term "Holy Thursday", and other official sources of the United Methodist Church use both "Maundy Thursday" and "Holy Thursday". Both names are used by other Christian denominations as well, including the Lutheran Church or portions of the Reformed Church. The Presbyterian Church
Armelin's calendar Armelin's calendar Armelin's calendar was developed around 1887 by French astronomer Gustave Armelin, who developed a twelve-month calendar in which the year of 364 days was divided into four equal quarters of 91 days. Armelin's calendar proposal was discussed chiefly under the auspices of the Société astronomique de France in 1887 and recently in the French Academy of Sciences. The advantages of this simple system are evident. The months are nearly equal in length, and all have the same number of business days. Any given day of any month falls on the same day of the week each year. A