For example, this occurred in because the Western Easter Sunday date of Gregorian calendar April 15, is the same as the Orthodox Easter Sunday date of Julian calendar April 2, In most years, Orthodox Easter follows Western Easter by one or more weeks. To determine the Orthodox Easter Sunday date, it is first necessary to find the Julian Easter Sunday date, then to add the number of days which have been "skipped" in the Gregorian calendar.
This procedure is a dramatic and accurate simplification of the official procedure used to calculate Easter Sunday dates, as described in Christian Prayer Books. Paschal Full Moon dates are copied directly from these Books. It was produced in by Ronald W. It requires just one division on a calculator, and three simple additions. If you're looking further into the future, click here to see another Table A for years to A. The result is March 21, A. For example, year gave us a PFM date of March 21, and step 2 gave us a total result of 6.
This accurate procedure applies to Orthodox churches, which always base their calculations on the Julian calendar and the "19 PFM dates" table. It applies from the year A. This is the current situation in These instructions show the procedure for years to A. However, this simple method continues indefinitely, because the Julian calendar always has a February 29 date in every fourth year. The result is April 5, For example, year gave us a PFM date of April 5, and step 2 gave us a total result of 9.
This date is the Julian calendar Orthodox Easter Sunday date for year If the year itself is also Julian e. April 3 in is their Orthodox Easter Sunday date for that year. For example, English Easter Sunday date for A. The Gregorian calendar omits certain February 29 dates to keep its dates aligned with the seasons and position of Earth in relation to the Sun. To convert the Julian date to the Gregorian date, it is necessary to add the number of days shown in Table F. Step 4 must be ignored if the Easter Sunday date calculated after step 3 occurred when the Julian calendar was still in use.
The example for year gives the Julian Easter Sunday date of April 10, and Table F shows that we need to add 13 days to convert it to the Gregorian calendar date of April BASIC code is fairly straightforward, and can easily be converted to other programming languages. NEXT loops to search or count.
If you have any questions regarding the information presented here, please e-mail Ron Mallen at rwmallen chariot. If you are using these dates to plan travel, meetings, or for any use requiring the expenditure of money, time, or other resources, please consult other sources to verify the dates of Easter holidays. Neither R. Mallen or anyone who owns the hardware or manages the host machines of this home page, or the Astronomical Society of South Australia, nor anyone who has contributed any information that has been used in this document, may be held financially responsible, or responsible in any way, if these dates are incorrectly calculated or applied.
The user assumes full responsibility for the consequences of using this information. Toggle navigation. How to work out Easter Sunday dates quickly and easily for yourself. Attempts to establish a common date for Easter began with the Council of Nicaea in the year It established that the date of Easter would be the first Sunday after the full moon following the vernal equinox.
However, it did not fix the methods to be used to calculate the timing of the full moon or the vernal equinox. Nowadays the Orthodox churches use the 21 March of the Julian calendar as the date of the equinox, while the churches of the Western tradition — that is the Protestant and Catholic churches — base their calculations on the Gregorian calendar. The resulting gap between the two Easter dates can be as much as five weeks.
All participants at the seminar in Lviv, which included Orthodox, Roman Catholic and Protestant theologians from a variety of European countries, endorsed a compromise proposed at a World Council of Churches WCC consultation in Aleppo, Syria, in The proposal was to keep the Nicaea rule but calculate the equinox and full moon using the accurate astronomical data available today, rather than those used many years ago.
Concretely, participants at the seminar expressed the hope that the years and , when the coincidence of the calendars will produce a common Easter date, would serve as a period during which all Christians would join their efforts "to make such coincidence not to be an exception but rather a rule" and prepare for an Easter date based on exact astronomical reckoning and celebrated by all Christians on 8 April However, the seminar entitled "A common date for Easter is possible" did not turn a blind eye to what participants considered to be "the main problem": "not the calculations, but the complex relations and missing of trust among different Christian denominations because of long divisions.
French Orthodox theologian Prof. Other speakers at the ecumenical seminar were Rev. Further to the students of the Institute of Ecumenical Studies — a consortium between the Ukrainian Catholic University, the National University of Lviv and several other European universities — the seminar had gathered representatives of the city's major denominations: the Ukrainian Orthodox Churches of the patriarchates of Moscow and Kiev as well as the Autocephalous Orthodox Church in the Ukraine, the Greek and Roman Catholic Churches, the Armenian Apostolic Church, the Baptist and the Evangelical Church.
More information about the seminar Ukrainian Catholic University website. Frequently asked questions about the date of Easter. Proposals from the Aleppo consultation.
Breadcrumb Home News A common date for Easter is possible. Easter liturgy in Tirana, Albania.
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