Western Easter
Sunday, April 18, 2055
Gregorian computus. Golden number 4, epact 2, Paschal full moon April 11.
Easter 2055
Easter 2055: Sunday, April 18
In 2055 Easter falls on Sunday, April 18, 2055 for Western and Orthodox churches alike: the Gregorian and the Julian reckoning arrive at the same Sunday.
Orthodox Easter
Sunday, April 18, 2055
Julian computus: April 5 in the Julian calendar, plus 13 days to reach the Gregorian calendar.
Both Easters fall on April 18 in 2055. They last fell on the same day in 2052 (April 21). They next fall on the same day in 2058 (April 14).
Western · Apr 18
Orthodox · Apr 18
MarchAprilMayThe moving feasts of 2055
Western feasts, 2055
| Feast | Date | From Easter |
|---|---|---|
| Shrove Tuesday | Tuesday, March 2, 2055 | −47 days |
| Ash Wednesday | Wednesday, March 3, 2055 | −46 days |
| Palm Sunday | Sunday, April 11, 2055 | −7 days |
| Maundy Thursday | Thursday, April 15, 2055 | −3 days |
| Good Friday | Friday, April 16, 2055 | −2 days |
| Holy Saturday | Saturday, April 17, 2055 | −1 day |
| Easter Sunday | Sunday, April 18, 2055 | Easter Sunday |
| Easter Monday | Monday, April 19, 2055 | +1 day |
| Ascension Day | Thursday, May 27, 2055 | +39 days |
| Pentecost | Sunday, June 6, 2055 | +49 days |
Orthodox feasts, 2055
| Feast | Date | From Easter |
|---|---|---|
| Clean Monday | Monday, March 1, 2055 | −48 days |
| Palm Sunday | Sunday, April 11, 2055 | −7 days |
| Great and Holy Friday | Friday, April 16, 2055 | −2 days |
| Pascha (Easter Sunday) | Sunday, April 18, 2055 | Easter Sunday |
| Ascension | Thursday, May 27, 2055 | +39 days |
| Pentecost | Sunday, June 6, 2055 | +49 days |
Each date is Easter Sunday plus or minus a fixed number of days; the offsets and their sources are on the about page. Observance varies by church and by country. Whether a feast is a day off work is a matter of each country’s law: Holidays lists each country’s public holidays, off the open Nager.Date database.
How early is Easter in 2055?
April 18 is date 28 of the 35 that Western Easter can take, March 22 to April 25: 27 days after the earliest possible date and 7 days before the latest. Of the 201 Easters from 1900 to 2100, 160 fall on an earlier date than this one and 35 fall on a later date. 5 other years in that span share the date: 1954, 1965, 1976, 2049, 2060. Before 2055, Western Easter last fell on April 18 in 2049; after 2055 it next does in 2060.
In the 2050s Western Easter ran from March 29 (2054) to April 22 (2057); 2055’s April 18 is the eighth-earliest of the ten. Across the twenty-first century (2001–2100) Western Easter falls on April 18 in 3 years, and the Western and Orthodox Easters share a Sunday in 31 years.
Orthodox Easter on April 18 is April 5 in the Julian calendar; 13 days carry it to the Gregorian calendar in 2055. From 1900 to 2100 Orthodox Easter falls on an earlier Gregorian date in 75 years and on a later one in 119 years; it falls on the same date in 1971, 1982, 1993, 2066, 2077, 2088.
The earliest and latest Easters from 1900 to 2100, with how often each date occurs, are on their own page.
The arithmetic for 2055
4Golden number: the year’s place in the 19-year cycle of the moon, (2055 mod 19) + 1.
2Gregorian epact: the age of the reckoned moon at the start of the year.
April 11Paschal full moon of the Gregorian reckoning, a Sunday. Easter is the Sunday after it.
April 15Paschal full moon of the Julian reckoning in Gregorian dates (Julian April 2), a Thursday.
The two algorithms, worked for 2055
- Western: the Anonymous Gregorian algorithm
a=3 b=20 c=55 d=5 e=0 f=1 g=6 h=21 i=13 k=3 l=6 m=0h + l − 7m + 114 = 141, and 141 ÷ 31 = 4 remainder 17: month 4, day 17 + 1. April 18- Orthodox: Meeus’s Julian algorithm
a=3 b=4 c=3 d=12 e=2d + e + 114 = 128, and 128 ÷ 31 = 4 remainder 4: Julian April 5. Plus 13 days: April 18
How the date of Easter is calculated explains each letter. The dates on this page agree with the US Census Bureau table (Western), the 5ko.free.fr tables (Western and Orthodox), each read September 28, 2026.