Determination of the day of the week his adjustments for centuries are to be determined using formulas similar to those for the centuries table. Although explicit in asserting that his method also works for Old Style dates, his example reproduced below to determine that "1676, February 23" is a Wednesday only works on a Julian calendar which starts the year on January 1, instead of March 25 as on the "Old Style" Julian calendar. Algorithm: Take the given date in 4 portions, viz. the number of centuries, the number of years over, the month, the day of the month. Compute the following 4 items, adding each, when
Responsories for Holy Week nocturn of Maundy Thursday are from Saint Augustines "Enarrationes in Psalmos" Second of Poulenc's "Sept répons des ténèbres". The lessons for the third nocturn of Maundy Thursday are from 1 Corinthians II: 17-34 First of Poulenc's "Sept répons des ténèbres". Good Friday is the sixth day (Latin: Feria VI or Feria Sexta) of the Holy Week. In Latin the occasion is also indicated as "In Parasceve" (Parasceve being Latin for Friday). Thus the second set of nine responsories for Holy Week can appear under titles such as "Feria VI – In Parasceve". The lessons of the first nocturn of Good