Western Easter
Sunday, April 10, 1955
Gregorian computus. Golden number 18, epact 6, Paschal full moon April 7.
Easter 1955
Easter 1955: Sunday, April 10
In 1955 Western Easter, reckoned in the Gregorian calendar, falls on Sunday, April 10, 1955. Orthodox Easter (Pascha), reckoned in the Julian calendar, falls on Sunday, April 17, 1955, one week later.
Orthodox Easter
Sunday, April 17, 1955
Julian computus: April 4 in the Julian calendar, plus 13 days to reach the Gregorian calendar.
In 1955 the two Easters are 7 days apart: Orthodox Easter is one week after Western Easter. They last fell on the same day in 1953 (April 5). They next fall on the same day in 1957 (April 21).
Western · Apr 10
Orthodox · Apr 17
MarchAprilMayThe moving feasts of 1955
Western feasts, 1955
| Feast | Date | From Easter |
|---|---|---|
| Shrove Tuesday | Tuesday, February 22, 1955 | −47 days |
| Ash Wednesday | Wednesday, February 23, 1955 | −46 days |
| Palm Sunday | Sunday, April 3, 1955 | −7 days |
| Maundy Thursday | Thursday, April 7, 1955 | −3 days |
| Good Friday | Friday, April 8, 1955 | −2 days |
| Holy Saturday | Saturday, April 9, 1955 | −1 day |
| Easter Sunday | Sunday, April 10, 1955 | Easter Sunday |
| Easter Monday | Monday, April 11, 1955 | +1 day |
| Ascension Day | Thursday, May 19, 1955 | +39 days |
| Pentecost | Sunday, May 29, 1955 | +49 days |
Orthodox feasts, 1955
| Feast | Date | From Easter |
|---|---|---|
| Clean Monday | Monday, February 28, 1955 | −48 days |
| Palm Sunday | Sunday, April 10, 1955 | −7 days |
| Great and Holy Friday | Friday, April 15, 1955 | −2 days |
| Pascha (Easter Sunday) | Sunday, April 17, 1955 | Easter Sunday |
| Ascension | Thursday, May 26, 1955 | +39 days |
| Pentecost | Sunday, June 5, 1955 | +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 1955?
April 10 is date 20 of the 35 that Western Easter can take, March 22 to April 25: 19 days after the earliest possible date and 15 days before the latest. Of the 201 Easters from 1900 to 2100, 102 fall on an earlier date than this one and 92 fall on a later date. 6 other years in that span share the date: 1966, 1977, 2039, 2050, 2061, 2072. Before 1955, Western Easter last fell on April 10 in 1898; after 1955 it next does in 1966.
In the 1950s Western Easter ran from March 25 (1951) to April 21 (1957); 1955’s April 10 is the seventh-earliest of the ten. Across the twentieth century (1901–2000) Western Easter falls on April 10 in 3 years, and the Western and Orthodox Easters share a Sunday in 26 years.
Orthodox Easter on April 17 is April 4 in the Julian calendar; 13 days carry it to the Gregorian calendar in 1955. From 1900 to 2100 Orthodox Easter falls on an earlier Gregorian date in 71 years and on a later one in 126 years; it falls on the same date in 1960, 2039, 2050.
The earliest and latest Easters from 1900 to 2100, with how often each date occurs, are on their own page.
The arithmetic for 1955
18Golden number: the year’s place in the 19-year cycle of the moon, (1955 mod 19) + 1.
6Gregorian epact: the age of the reckoned moon at the start of the year.
April 7Paschal full moon of the Gregorian reckoning, a Thursday. Easter is the Sunday after it.
April 11Paschal full moon of the Julian reckoning in Gregorian dates (Julian March 29), a Monday.
The two algorithms, worked for 1955
- Western: the Anonymous Gregorian algorithm
a=17 b=19 c=55 d=4 e=3 f=1 g=6 h=17 i=13 k=3 l=2 m=0h + l − 7m + 114 = 133, and 133 ÷ 31 = 4 remainder 9: month 4, day 9 + 1. April 10- Orthodox: Meeus’s Julian algorithm
a=3 b=2 c=17 d=8 e=5d + e + 114 = 127, and 127 ÷ 31 = 4 remainder 3: Julian April 4. Plus 13 days: April 17
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.