Holy day of obligation transferred to the following Sunday, the Feast of the Ascension of Our Lord, though not a holy day of obligation in Greece, is kept on the Thursday of the sixth week of Easter, in order to celebrate it on the same day as the Orthodox Church of Greece. Bishops' Conference of Indonesia has not issued regulation about holy day of obligation, so ten holy days on Can. 1246 § 1 applied. The following day is also a holy day of obligation in all of Ireland: (See "Working holy days", above) “Ireland” includes the entire island of Ireland, i.e. both the
Determination of the day of the week week is where the positive modulus is chosen. The value of is obtained from the following table: The value of is obtained from the following table, which depends on the calendar. For the Gregorian calendar, For the Julian calendar, Charles Lutwidge Dodgson (Lewis Carroll) devised a method resembling a puzzle, yet partly tabular in using the same index numbers for the months as in the "Complete table: Julian and Gregorian calendars" above. He lists the same three adjustments for the first three months of non-leap years, one 7 higher for the last, and gives cryptic instructions for finding the rest;