Royal Maundy pence to each of fifty poor men. It is not known, however, whether it was as yet the practice each year to have the number of pence and the number of recipients track the monarch's age: Henry IV was the first monarch to decree that the number of pence given be determined by the monarch's age. The ceremony was not always performed on Maundy Thursday; it could be postponed a day to Good Friday by royal command, as it was in 1510. Nobles could hold their own Maundy distributions, as did Henry Percy, 5th Earl of Northumberland in the early
Gregorian calendar there is a system of weeks. A physical or electronic calendar provides conversion from a given date to the weekday, and shows multiple dates for a given weekday and month. Calculating the day of the week is not very simple, because of the irregularities in the Gregorian system. When the Gregorian calendar was adopted by each country, the weekly cycle continued uninterrupted. For example, in the case of the few countries that adopted the reformed calendar on the date proposed by Gregory XIII for the calendar's adoption, Friday, 15 October 1582, the preceding date was Thursday, 4 October 1582 (Julian