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 possible to do all the calculations in one's head with a little practice). None of the methods given here perform range checks, so unreasonable dates will produce erroneous results. Every seventh day in a month has the same name as the previous: "Corresponding months" are those months within the calendar year that start on the same day of the week. For example, September and December correspond, because September 1 falls on the same day as December 1. Months can only correspond if the number of days between their first days is divisible by 7, or in other words, if their