From 9926f8a4b12d723900eb8877d8e18a3d48c5c86d Mon Sep 17 00:00:00 2001 From: James Ketrenos Date: Sun, 25 Nov 2018 15:54:44 -0800 Subject: [PATCH] Use a lookup table for Pascha dates Signed-off-by: James Ketrenos --- frontend/src/ketr-photos/ketr-photos.html | 8 + server/lib/pascha-dates.js | 512 ++++++++++++++++++++++ server/lib/pascha.js | 27 +- 3 files changed, 526 insertions(+), 21 deletions(-) create mode 100644 server/lib/pascha-dates.js diff --git a/frontend/src/ketr-photos/ketr-photos.html b/frontend/src/ketr-photos/ketr-photos.html index c25356f..c1aa428 100755 --- a/frontend/src/ketr-photos/ketr-photos.html +++ b/frontend/src/ketr-photos/ketr-photos.html @@ -313,6 +313,10 @@ text-decoration: underline; cursor: pointer; } + + #holiday [selected] { + font-weight: bold; + } @@ -866,6 +870,10 @@ }, loadHoliday: function(event) { + Array.prototype.forEach.call(this.$.holiday.querySelectorAll("[selected]"), function(el) { + el.removeAttribute("selected"); + }); + event.currentTarget.setAttribute("selected", true); this.holiday = event.model.item; this.resetPhotos(); this._loadPhotos(); diff --git a/server/lib/pascha-dates.js b/server/lib/pascha-dates.js new file mode 100644 index 0000000..c2c516a --- /dev/null +++ b/server/lib/pascha-dates.js @@ -0,0 +1,512 @@ +/* +EasterB - What date does Easter Sunday come on in a given year? +Version 1.23, last revised: 2007/07/22 +Copyright (c) 1981-2007 by author: Harry J. Smith, +19628 Via Monte Dr., Saratoga CA 95070. All rights reserved. + +Will write file: EasterB.Out for years 1875 - 2124 + +Gregorian Calendar +Easter Sunday: 1875 3/28 Western 4/25 Orthodox (April 13 Julian date) +Easter Sunday: 1876 4/16 Western Same Orthodox (April 4 Julian date) +Easter Sunday: 1877 4/ 1 Western 4/ 8 Orthodox (March 27 Julian date) +Easter Sunday: 1878 4/21 Western 4/28 Orthodox (April 16 Julian date) +Easter Sunday: 1879 4/13 Western Same Orthodox (April 1 Julian date) +Easter Sunday: 1880 3/28 Western 5/ 2 Orthodox (April 20 Julian date) +Easter Sunday: 1881 4/17 Western 4/24 Orthodox (April 12 Julian date) +Easter Sunday: 1882 4/ 9 Western Same Orthodox (March 28 Julian date) +Easter Sunday: 1883 3/25 Western 4/29 Orthodox (April 17 Julian date) +Easter Sunday: 1884 4/13 Western 4/20 Orthodox (April 8 Julian date) +Easter Sunday: 1885 4/ 5 Western Same Orthodox (March 24 Julian date) +Easter Sunday: 1886 4/25 Western Same Orthodox (April 13 Julian date) +Easter Sunday: 1887 4/10 Western 4/17 Orthodox (April 5 Julian date) +Easter Sunday: 1888 4/ 1 Western 5/ 6 Orthodox (April 24 Julian date) +Easter Sunday: 1889 4/21 Western Same Orthodox (April 9 Julian date) +Easter Sunday: 1890 4/ 6 Western 4/13 Orthodox (April 1 Julian date) +Easter Sunday: 1891 3/29 Western 5/ 3 Orthodox (April 21 Julian date) +Easter Sunday: 1892 4/17 Western Same Orthodox (April 5 Julian date) +Easter Sunday: 1893 4/ 2 Western 4/ 9 Orthodox (March 28 Julian date) +Easter Sunday: 1894 3/25 Western 4/29 Orthodox (April 17 Julian date) +Easter Sunday: 1895 4/14 Western Same Orthodox (April 2 Julian date) +Easter Sunday: 1896 4/ 5 Western Same Orthodox (March 24 Julian date) +Easter Sunday: 1897 4/18 Western 4/25 Orthodox (April 13 Julian date) +Easter Sunday: 1898 4/10 Western 4/17 Orthodox (April 5 Julian date) +Easter Sunday: 1899 4/ 2 Western 4/30 Orthodox (April 18 Julian date) +Easter Sunday: 1900 4/15 Western 4/22 Orthodox (April 9 Julian date) +Easter Sunday: 1901 4/ 7 Western 4/14 Orthodox (April 1 Julian date) +Easter Sunday: 1902 3/30 Western 4/27 Orthodox (April 14 Julian date) +Easter Sunday: 1903 4/12 Western 4/19 Orthodox (April 6 Julian date) +Easter Sunday: 1904 4/ 3 Western 4/10 Orthodox (March 28 Julian date) +Easter Sunday: 1905 4/23 Western 4/30 Orthodox (April 17 Julian date) +Easter Sunday: 1906 4/15 Western Same Orthodox (April 2 Julian date) +Easter Sunday: 1907 3/31 Western 5/ 5 Orthodox (April 22 Julian date) +Easter Sunday: 1908 4/19 Western 4/26 Orthodox (April 13 Julian date) +Easter Sunday: 1909 4/11 Western Same Orthodox (March 29 Julian date) +Easter Sunday: 1910 3/27 Western 5/ 1 Orthodox (April 18 Julian date) +Easter Sunday: 1911 4/16 Western 4/23 Orthodox (April 10 Julian date) +Easter Sunday: 1912 4/ 7 Western Same Orthodox (March 25 Julian date) +Easter Sunday: 1913 3/23 Western 4/27 Orthodox (April 14 Julian date) +Easter Sunday: 1914 4/12 Western 4/19 Orthodox (April 6 Julian date) +Easter Sunday: 1915 4/ 4 Western Same Orthodox (March 22 Julian date) +Easter Sunday: 1916 4/23 Western Same Orthodox (April 10 Julian date) +Easter Sunday: 1917 4/ 8 Western 4/15 Orthodox (April 2 Julian date) +Easter Sunday: 1918 3/31 Western 5/ 5 Orthodox (April 22 Julian date) +Easter Sunday: 1919 4/20 Western Same Orthodox (April 7 Julian date) +Easter Sunday: 1920 4/ 4 Western 4/11 Orthodox (March 29 Julian date) +Easter Sunday: 1921 3/27 Western 5/ 1 Orthodox (April 18 Julian date) +Easter Sunday: 1922 4/16 Western Same Orthodox (April 3 Julian date) +Easter Sunday: 1923 4/ 1 Western 4/ 8 Orthodox (March 26 Julian date) +Easter Sunday: 1924 4/20 Western 4/27 Orthodox (April 14 Julian date) +Easter Sunday: 1925 4/12 Western 4/19 Orthodox (April 6 Julian date) +Easter Sunday: 1926 4/ 4 Western 5/ 2 Orthodox (April 19 Julian date) +Easter Sunday: 1927 4/17 Western 4/24 Orthodox (April 11 Julian date) +Easter Sunday: 1928 4/ 8 Western 4/15 Orthodox (April 2 Julian date) +Easter Sunday: 1929 3/31 Western 5/ 5 Orthodox (April 22 Julian date) +Easter Sunday: 1930 4/20 Western Same Orthodox (April 7 Julian date) +Easter Sunday: 1931 4/ 5 Western 4/12 Orthodox (March 30 Julian date) +Easter Sunday: 1932 3/27 Western 5/ 1 Orthodox (April 18 Julian date) +Easter Sunday: 1933 4/16 Western Same Orthodox (April 3 Julian date) +Easter Sunday: 1934 4/ 1 Western 4/ 8 Orthodox (March 26 Julian date) +Easter Sunday: 1935 4/21 Western 4/28 Orthodox (April 15 Julian date) +Easter Sunday: 1936 4/12 Western Same Orthodox (March 30 Julian date) +Easter Sunday: 1937 3/28 Western 5/ 2 Orthodox (April 19 Julian date) +Easter Sunday: 1938 4/17 Western 4/24 Orthodox (April 11 Julian date) +Easter Sunday: 1939 4/ 9 Western Same Orthodox (March 27 Julian date) +Easter Sunday: 1940 3/24 Western 4/28 Orthodox (April 15 Julian date) +Easter Sunday: 1941 4/13 Western 4/20 Orthodox (April 7 Julian date) +Easter Sunday: 1942 4/ 5 Western Same Orthodox (March 23 Julian date) +Easter Sunday: 1943 4/25 Western Same Orthodox (April 12 Julian date) +Easter Sunday: 1944 4/ 9 Western 4/16 Orthodox (April 3 Julian date) +Easter Sunday: 1945 4/ 1 Western 5/ 6 Orthodox (April 23 Julian date) +Easter Sunday: 1946 4/21 Western Same Orthodox (April 8 Julian date) +Easter Sunday: 1947 4/ 6 Western 4/13 Orthodox (March 31 Julian date) +Easter Sunday: 1948 3/28 Western 5/ 2 Orthodox (April 19 Julian date) +Easter Sunday: 1949 4/17 Western 4/24 Orthodox (April 11 Julian date) +Easter Sunday: 1950 4/ 9 Western Same Orthodox (March 27 Julian date) +Easter Sunday: 1951 3/25 Western 4/29 Orthodox (April 16 Julian date) +Easter Sunday: 1952 4/13 Western 4/20 Orthodox (April 7 Julian date) +Easter Sunday: 1953 4/ 5 Western Same Orthodox (March 23 Julian date) +Easter Sunday: 1954 4/18 Western 4/25 Orthodox (April 12 Julian date) +Easter Sunday: 1955 4/10 Western 4/17 Orthodox (April 4 Julian date) +Easter Sunday: 1956 4/ 1 Western 5/ 6 Orthodox (April 23 Julian date) +Easter Sunday: 1957 4/21 Western Same Orthodox (April 8 Julian date) +Easter Sunday: 1958 4/ 6 Western 4/13 Orthodox (March 31 Julian date) +Easter Sunday: 1959 3/29 Western 5/ 3 Orthodox (April 20 Julian date) +Easter Sunday: 1960 4/17 Western Same Orthodox (April 4 Julian date) +Easter Sunday: 1961 4/ 2 Western 4/ 9 Orthodox (March 27 Julian date) +Easter Sunday: 1962 4/22 Western 4/29 Orthodox (April 16 Julian date) +Easter Sunday: 1963 4/14 Western Same Orthodox (April 1 Julian date) +Easter Sunday: 1964 3/29 Western 5/ 3 Orthodox (April 20 Julian date) +Easter Sunday: 1965 4/18 Western 4/25 Orthodox (April 12 Julian date) +Easter Sunday: 1966 4/10 Western Same Orthodox (March 28 Julian date) +Easter Sunday: 1967 3/26 Western 4/30 Orthodox (April 17 Julian date) +Easter Sunday: 1968 4/14 Western 4/21 Orthodox (April 8 Julian date) +Easter Sunday: 1969 4/ 6 Western 4/13 Orthodox (March 31 Julian date) +Easter Sunday: 1970 3/29 Western 4/26 Orthodox (April 13 Julian date) +Easter Sunday: 1971 4/11 Western 4/18 Orthodox (April 5 Julian date) +Easter Sunday: 1972 4/ 2 Western 4/ 9 Orthodox (March 27 Julian date) +Easter Sunday: 1973 4/22 Western 4/29 Orthodox (April 16 Julian date) +Easter Sunday: 1974 4/14 Western Same Orthodox (April 1 Julian date) +Easter Sunday: 1975 3/30 Western 5/ 4 Orthodox (April 21 Julian date) +Easter Sunday: 1976 4/18 Western 4/25 Orthodox (April 12 Julian date) +Easter Sunday: 1977 4/10 Western Same Orthodox (March 28 Julian date) +Easter Sunday: 1978 3/26 Western 4/30 Orthodox (April 17 Julian date) +Easter Sunday: 1979 4/15 Western 4/22 Orthodox (April 9 Julian date) +Easter Sunday: 1980 4/ 6 Western Same Orthodox (March 24 Julian date) +Easter Sunday: 1981 4/19 Western 4/26 Orthodox (April 13 Julian date) +Easter Sunday: 1982 4/11 Western 4/18 Orthodox (April 5 Julian date) +Easter Sunday: 1983 4/ 3 Western 5/ 8 Orthodox (April 25 Julian date) +Easter Sunday: 1984 4/22 Western Same Orthodox (April 9 Julian date) +Easter Sunday: 1985 4/ 7 Western 4/14 Orthodox (April 1 Julian date) +Easter Sunday: 1986 3/30 Western 5/ 4 Orthodox (April 21 Julian date) +Easter Sunday: 1987 4/19 Western Same Orthodox (April 6 Julian date) +Easter Sunday: 1988 4/ 3 Western 4/10 Orthodox (March 28 Julian date) +Easter Sunday: 1989 3/26 Western 4/30 Orthodox (April 17 Julian date) +Easter Sunday: 1990 4/15 Western Same Orthodox (April 2 Julian date) +Easter Sunday: 1991 3/31 Western 4/ 7 Orthodox (March 25 Julian date) +Easter Sunday: 1992 4/19 Western 4/26 Orthodox (April 13 Julian date) +Easter Sunday: 1993 4/11 Western 4/18 Orthodox (April 5 Julian date) +Easter Sunday: 1994 4/ 3 Western 5/ 1 Orthodox (April 18 Julian date) +Easter Sunday: 1995 4/16 Western 4/23 Orthodox (April 10 Julian date) +Easter Sunday: 1996 4/ 7 Western 4/14 Orthodox (April 1 Julian date) +Easter Sunday: 1997 3/30 Western 4/27 Orthodox (April 14 Julian date) +Easter Sunday: 1998 4/12 Western 4/19 Orthodox (April 6 Julian date) +Easter Sunday: 1999 4/ 4 Western 4/11 Orthodox (March 29 Julian date) +Easter Sunday: 2000 4/23 Western 4/30 Orthodox (April 17 Julian date) +Easter Sunday: 2001 4/15 Western Same Orthodox (April 2 Julian date) +Easter Sunday: 2002 3/31 Western 5/ 5 Orthodox (April 22 Julian date) +Easter Sunday: 2003 4/20 Western 4/27 Orthodox (April 14 Julian date) +Easter Sunday: 2004 4/11 Western Same Orthodox (March 29 Julian date) +Easter Sunday: 2005 3/27 Western 5/ 1 Orthodox (April 18 Julian date) +Easter Sunday: 2006 4/16 Western 4/23 Orthodox (April 10 Julian date) +Easter Sunday: 2007 4/ 8 Western Same Orthodox (March 26 Julian date) +Easter Sunday: 2008 3/23 Western 4/27 Orthodox (April 14 Julian date) +Easter Sunday: 2009 4/12 Western 4/19 Orthodox (April 6 Julian date) +Easter Sunday: 2010 4/ 4 Western Same Orthodox (March 22 Julian date) +Easter Sunday: 2011 4/24 Western Same Orthodox (April 11 Julian date) +Easter Sunday: 2012 4/ 8 Western 4/15 Orthodox (April 2 Julian date) +Easter Sunday: 2013 3/31 Western 5/ 5 Orthodox (April 22 Julian date) +Easter Sunday: 2014 4/20 Western Same Orthodox (April 7 Julian date) +Easter Sunday: 2015 4/ 5 Western 4/12 Orthodox (March 30 Julian date) +Easter Sunday: 2016 3/27 Western 5/ 1 Orthodox (April 18 Julian date) +Easter Sunday: 2017 4/16 Western Same Orthodox (April 3 Julian date) +Easter Sunday: 2018 4/ 1 Western 4/ 8 Orthodox (March 26 Julian date) +Easter Sunday: 2019 4/21 Western 4/28 Orthodox (April 15 Julian date) +Easter Sunday: 2020 4/12 Western 4/19 Orthodox (April 6 Julian date) +Easter Sunday: 2021 4/ 4 Western 5/ 2 Orthodox (April 19 Julian date) +Easter Sunday: 2022 4/17 Western 4/24 Orthodox (April 11 Julian date) +Easter Sunday: 2023 4/ 9 Western 4/16 Orthodox (April 3 Julian date) +Easter Sunday: 2024 3/31 Western 5/ 5 Orthodox (April 22 Julian date) +Easter Sunday: 2025 4/20 Western Same Orthodox (April 7 Julian date) +Easter Sunday: 2026 4/ 5 Western 4/12 Orthodox (March 30 Julian date) +Easter Sunday: 2027 3/28 Western 5/ 2 Orthodox (April 19 Julian date) +Easter Sunday: 2028 4/16 Western Same Orthodox (April 3 Julian date) +Easter Sunday: 2029 4/ 1 Western 4/ 8 Orthodox (March 26 Julian date) +Easter Sunday: 2030 4/21 Western 4/28 Orthodox (April 15 Julian date) +Easter Sunday: 2031 4/13 Western Same Orthodox (March 31 Julian date) +Easter Sunday: 2032 3/28 Western 5/ 2 Orthodox (April 19 Julian date) +Easter Sunday: 2033 4/17 Western 4/24 Orthodox (April 11 Julian date) +Easter Sunday: 2034 4/ 9 Western Same Orthodox (March 27 Julian date) +Easter Sunday: 2035 3/25 Western 4/29 Orthodox (April 16 Julian date) +Easter Sunday: 2036 4/13 Western 4/20 Orthodox (April 7 Julian date) +Easter Sunday: 2037 4/ 5 Western Same Orthodox (March 23 Julian date) +Easter Sunday: 2038 4/25 Western Same Orthodox (April 12 Julian date) +Easter Sunday: 2039 4/10 Western 4/17 Orthodox (April 4 Julian date) +Easter Sunday: 2040 4/ 1 Western 5/ 6 Orthodox (April 23 Julian date) +Easter Sunday: 2041 4/21 Western Same Orthodox (April 8 Julian date) +Easter Sunday: 2042 4/ 6 Western 4/13 Orthodox (March 31 Julian date) +Easter Sunday: 2043 3/29 Western 5/ 3 Orthodox (April 20 Julian date) +Easter Sunday: 2044 4/17 Western 4/24 Orthodox (April 11 Julian date) +Easter Sunday: 2045 4/ 9 Western Same Orthodox (March 27 Julian date) +Easter Sunday: 2046 3/25 Western 4/29 Orthodox (April 16 Julian date) +Easter Sunday: 2047 4/14 Western 4/21 Orthodox (April 8 Julian date) +Easter Sunday: 2048 4/ 5 Western Same Orthodox (March 23 Julian date) +Easter Sunday: 2049 4/18 Western 4/25 Orthodox (April 12 Julian date) +Easter Sunday: 2050 4/10 Western 4/17 Orthodox (April 4 Julian date) +Easter Sunday: 2051 4/ 2 Western 5/ 7 Orthodox (April 24 Julian date) +Easter Sunday: 2052 4/21 Western Same Orthodox (April 8 Julian date) +Easter Sunday: 2053 4/ 6 Western 4/13 Orthodox (March 31 Julian date) +Easter Sunday: 2054 3/29 Western 5/ 3 Orthodox (April 20 Julian date) +Easter Sunday: 2055 4/18 Western Same Orthodox (April 5 Julian date) +Easter Sunday: 2056 4/ 2 Western 4/ 9 Orthodox (March 27 Julian date) +Easter Sunday: 2057 4/22 Western 4/29 Orthodox (April 16 Julian date) +Easter Sunday: 2058 4/14 Western Same Orthodox (April 1 Julian date) +Easter Sunday: 2059 3/30 Western 5/ 4 Orthodox (April 21 Julian date) +Easter Sunday: 2060 4/18 Western 4/25 Orthodox (April 12 Julian date) +Easter Sunday: 2061 4/10 Western Same Orthodox (March 28 Julian date) +Easter Sunday: 2062 3/26 Western 4/30 Orthodox (April 17 Julian date) +Easter Sunday: 2063 4/15 Western 4/22 Orthodox (April 9 Julian date) +Easter Sunday: 2064 4/ 6 Western 4/13 Orthodox (March 31 Julian date) +Easter Sunday: 2065 3/29 Western 4/26 Orthodox (April 13 Julian date) +Easter Sunday: 2066 4/11 Western 4/18 Orthodox (April 5 Julian date) +Easter Sunday: 2067 4/ 3 Western 4/10 Orthodox (March 28 Julian date) +Easter Sunday: 2068 4/22 Western 4/29 Orthodox (April 16 Julian date) +Easter Sunday: 2069 4/14 Western Same Orthodox (April 1 Julian date) +Easter Sunday: 2070 3/30 Western 5/ 4 Orthodox (April 21 Julian date) +Easter Sunday: 2071 4/19 Western Same Orthodox (April 6 Julian date) +Easter Sunday: 2072 4/10 Western Same Orthodox (March 28 Julian date) +Easter Sunday: 2073 3/26 Western 4/30 Orthodox (April 17 Julian date) +Easter Sunday: 2074 4/15 Western 4/22 Orthodox (April 9 Julian date) +Easter Sunday: 2075 4/ 7 Western Same Orthodox (March 25 Julian date) +Easter Sunday: 2076 4/19 Western 4/26 Orthodox (April 13 Julian date) +Easter Sunday: 2077 4/11 Western 4/18 Orthodox (April 5 Julian date) +Easter Sunday: 2078 4/ 3 Western 5/ 8 Orthodox (April 25 Julian date) +Easter Sunday: 2079 4/23 Western Same Orthodox (April 10 Julian date) +Easter Sunday: 2080 4/ 7 Western 4/14 Orthodox (April 1 Julian date) +Easter Sunday: 2081 3/30 Western 5/ 4 Orthodox (April 21 Julian date) +Easter Sunday: 2082 4/19 Western Same Orthodox (April 6 Julian date) +Easter Sunday: 2083 4/ 4 Western 4/11 Orthodox (March 29 Julian date) +Easter Sunday: 2084 3/26 Western 4/30 Orthodox (April 17 Julian date) +Easter Sunday: 2085 4/15 Western Same Orthodox (April 2 Julian date) +Easter Sunday: 2086 3/31 Western 4/ 7 Orthodox (March 25 Julian date) +Easter Sunday: 2087 4/20 Western 4/27 Orthodox (April 14 Julian date) +Easter Sunday: 2088 4/11 Western 4/18 Orthodox (April 5 Julian date) +Easter Sunday: 2089 4/ 3 Western 5/ 1 Orthodox (April 18 Julian date) +Easter Sunday: 2090 4/16 Western 4/23 Orthodox (April 10 Julian date) +Easter Sunday: 2091 4/ 8 Western Same Orthodox (March 26 Julian date) +Easter Sunday: 2092 3/30 Western 4/27 Orthodox (April 14 Julian date) +Easter Sunday: 2093 4/12 Western 4/19 Orthodox (April 6 Julian date) +Easter Sunday: 2094 4/ 4 Western 4/11 Orthodox (March 29 Julian date) +Easter Sunday: 2095 4/24 Western Same Orthodox (April 11 Julian date) +Easter Sunday: 2096 4/15 Western Same Orthodox (April 2 Julian date) +Easter Sunday: 2097 3/31 Western 5/ 5 Orthodox (April 22 Julian date) +Easter Sunday: 2098 4/20 Western 4/27 Orthodox (April 14 Julian date) +Easter Sunday: 2099 4/12 Western Same Orthodox (March 30 Julian date) +Easter Sunday: 2100 3/28 Western 5/ 2 Orthodox (April 18 Julian date) +Easter Sunday: 2101 4/17 Western 4/24 Orthodox (April 10 Julian date) +Easter Sunday: 2102 4/ 9 Western Same Orthodox (March 26 Julian date) +Easter Sunday: 2103 3/25 Western 4/29 Orthodox (April 15 Julian date) +Easter Sunday: 2104 4/13 Western 4/20 Orthodox (April 6 Julian date) +Easter Sunday: 2105 4/ 5 Western Same Orthodox (March 22 Julian date) +Easter Sunday: 2106 4/18 Western 4/25 Orthodox (April 11 Julian date) +Easter Sunday: 2107 4/10 Western 4/17 Orthodox (April 3 Julian date) +Easter Sunday: 2108 4/ 1 Western 5/ 6 Orthodox (April 22 Julian date) +Easter Sunday: 2109 4/21 Western Same Orthodox (April 7 Julian date) +Easter Sunday: 2110 4/ 6 Western 4/13 Orthodox (March 30 Julian date) +Easter Sunday: 2111 3/29 Western 5/ 3 Orthodox (April 19 Julian date) +Easter Sunday: 2112 4/17 Western Same Orthodox (April 3 Julian date) +Easter Sunday: 2113 4/ 2 Western 4/ 9 Orthodox (March 26 Julian date) +Easter Sunday: 2114 4/22 Western 4/29 Orthodox (April 15 Julian date) +Easter Sunday: 2115 4/14 Western Same Orthodox (March 31 Julian date) +Easter Sunday: 2116 3/29 Western 5/ 3 Orthodox (April 19 Julian date) +Easter Sunday: 2117 4/18 Western 4/25 Orthodox (April 11 Julian date) +Easter Sunday: 2118 4/10 Western 4/17 Orthodox (April 3 Julian date) +Easter Sunday: 2119 3/26 Western 4/30 Orthodox (April 16 Julian date) +Easter Sunday: 2120 4/14 Western 4/21 Orthodox (April 7 Julian date) +Easter Sunday: 2121 4/ 6 Western 4/13 Orthodox (March 30 Julian date) +Easter Sunday: 2122 3/29 Western 5/ 3 Orthodox (April 19 Julian date) +Easter Sunday: 2123 4/11 Western 4/18 Orthodox (April 4 Julian date) +Easter Sunday: 2124 4/ 2 Western 4/ 9 Orthodox (March 26 Julian date) +*/ +module.exports = { +"1875": "1875-04-25", +"1876": "1876-04-16", +"1877": "1877-04-08", +"1878": "1878-04-28", +"1879": "1879-04-13", +"1880": "1880-05-02", +"1881": "1881-04-24", +"1882": "1882-04-09", +"1883": "1883-04-29", +"1884": "1884-04-20", +"1885": "1885-04-05", +"1886": "1886-04-25", +"1887": "1887-04-17", +"1888": "1888-05-06", +"1889": "1889-04-21", +"1890": "1890-04-13", +"1891": "1891-05-03", +"1892": "1892-04-17", +"1893": "1893-04-09", +"1894": "1894-04-29", +"1895": "1895-04-14", +"1896": "1896-04-05", +"1897": "1897-04-25", +"1898": "1898-04-17", +"1899": "1899-04-30", +"1900": "1900-04-22", +"1901": "1901-04-14", +"1902": "1902-04-27", +"1903": "1903-04-19", +"1904": "1904-04-10", +"1905": "1905-04-30", +"1906": "1906-04-15", +"1907": "1907-05-05", +"1908": "1908-04-26", +"1909": "1909-04-11", +"1910": "1910-05-01", +"1911": "1911-04-23", +"1912": "1912-04-07", +"1913": "1913-04-27", +"1914": "1914-04-19", +"1915": "1915-04-04", +"1916": "1916-04-23", +"1917": "1917-04-15", +"1918": "1918-05-05", +"1919": "1919-04-20", +"1920": "1920-04-11", +"1921": "1921-05-01", +"1922": "1922-04-16", +"1923": "1923-04-08", +"1924": "1924-04-27", +"1925": "1925-04-19", +"1926": "1926-05-02", +"1927": "1927-04-24", +"1928": "1928-04-15", +"1929": "1929-05-05", +"1930": "1930-04-20", +"1931": "1931-04-12", +"1932": "1932-05-01", +"1933": "1933-04-16", +"1934": "1934-04-08", +"1935": "1935-04-28", +"1936": "1936-04-12", +"1937": "1937-05-02", +"1938": "1938-04-24", +"1939": "1939-04-09", +"1940": "1940-04-28", +"1941": "1941-04-20", +"1942": "1942-04-05", +"1943": "1943-04-25", +"1944": "1944-04-16", +"1945": "1945-05-06", +"1946": "1946-04-21", +"1947": "1947-04-13", +"1948": "1948-05-02", +"1949": "1949-04-24", +"1950": "1950-04-09", +"1951": "1951-04-29", +"1952": "1952-04-20", +"1953": "1953-04-05", +"1954": "1954-04-25", +"1955": "1955-04-17", +"1956": "1956-05-06", +"1957": "1957-04-21", +"1958": "1958-04-13", +"1959": "1959-05-03", +"1960": "1960-04-17", +"1961": "1961-04-09", +"1962": "1962-04-29", +"1963": "1963-04-14", +"1964": "1964-05-03", +"1965": "1965-04-25", +"1966": "1966-04-10", +"1967": "1967-04-30", +"1968": "1968-04-21", +"1969": "1969-04-13", +"1970": "1970-04-26", +"1971": "1971-04-18", +"1972": "1972-04-09", +"1973": "1973-04-29", +"1974": "1974-04-14", +"1975": "1975-05-04", +"1976": "1976-04-25", +"1977": "1977-04-10", +"1978": "1978-04-30", +"1979": "1979-04-22", +"1980": "1980-04-06", +"1981": "1981-04-26", +"1982": "1982-04-18", +"1983": "1983-05-08", +"1984": "1984-04-22", +"1985": "1985-04-14", +"1986": "1986-05-04", +"1987": "1987-04-19", +"1988": "1988-04-10", +"1989": "1989-04-30", +"1990": "1990-04-15", +"1991": "1991-04-07", +"1992": "1992-04-26", +"1993": "1993-04-18", +"1994": "1994-05-01", +"1995": "1995-04-23", +"1996": "1996-04-14", +"1997": "1997-04-27", +"1998": "1998-04-19", +"1999": "1999-04-11", +"2000": "2000-04-30", +"2001": "2001-04-15", +"2002": "2002-05-05", +"2003": "2003-04-27", +"2004": "2004-04-11", +"2005": "2005-05-01", +"2006": "2006-04-23", +"2007": "2007-04-08", +"2008": "2008-04-27", +"2009": "2009-04-19", +"2010": "2010-04-04", +"2011": "2011-04-24", +"2012": "2012-04-15", +"2013": "2013-05-05", +"2014": "2014-04-20", +"2015": "2015-04-12", +"2016": "2016-05-01", +"2017": "2017-04-16", +"2018": "2018-04-08", +"2019": "2019-04-28", +"2020": "2020-04-19", +"2021": "2021-05-02", +"2022": "2022-04-24", +"2023": "2023-04-16", +"2024": "2024-05-05", +"2025": "2025-04-20", +"2026": "2026-04-12", +"2027": "2027-05-02", +"2028": "2028-04-16", +"2029": "2029-04-08", +"2030": "2030-04-28", +"2031": "2031-04-13", +"2032": "2032-05-02", +"2033": "2033-04-24", +"2034": "2034-04-09", +"2035": "2035-04-29", +"2036": "2036-04-20", +"2037": "2037-04-05", +"2038": "2038-04-25", +"2039": "2039-04-17", +"2040": "2040-05-06", +"2041": "2041-04-21", +"2042": "2042-04-13", +"2043": "2043-05-03", +"2044": "2044-04-24", +"2045": "2045-04-09", +"2046": "2046-04-29", +"2047": "2047-04-21", +"2048": "2048-04-05", +"2049": "2049-04-25", +"2050": "2050-04-17", +"2051": "2051-05-07", +"2052": "2052-04-21", +"2053": "2053-04-13", +"2054": "2054-05-03", +"2055": "2055-04-18", +"2056": "2056-04-09", +"2057": "2057-04-29", +"2058": "2058-04-14", +"2059": "2059-05-04", +"2060": "2060-04-25", +"2061": "2061-04-10", +"2062": "2062-04-30", +"2063": "2063-04-22", +"2064": "2064-04-13", +"2065": "2065-04-26", +"2066": "2066-04-18", +"2067": "2067-04-10", +"2068": "2068-04-29", +"2069": "2069-04-14", +"2070": "2070-05-04", +"2071": "2071-04-19", +"2072": "2072-04-10", +"2073": "2073-04-30", +"2074": "2074-04-22", +"2075": "2075-04-07", +"2076": "2076-04-26", +"2077": "2077-04-18", +"2078": "2078-05-08", +"2079": "2079-04-23", +"2080": "2080-04-14", +"2081": "2081-05-04", +"2082": "2082-04-19", +"2083": "2083-04-11", +"2084": "2084-04-30", +"2085": "2085-04-15", +"2086": "2086-04-07", +"2087": "2087-04-27", +"2088": "2088-04-18", +"2089": "2089-05-01", +"2090": "2090-04-23", +"2091": "2091-04-08", +"2092": "2092-04-27", +"2093": "2093-04-19", +"2094": "2094-04-11", +"2095": "2095-04-24", +"2096": "2096-04-15", +"2097": "2097-05-05", +"2098": "2098-04-27", +"2099": "2099-04-12", +"2100": "2100-05-02", +"2101": "2101-04-24", +"2102": "2102-04-09", +"2103": "2103-04-29", +"2104": "2104-04-20", +"2105": "2105-04-05", +"2106": "2106-04-25", +"2107": "2107-04-17", +"2108": "2108-05-06", +"2109": "2109-04-21", +"2110": "2110-04-13", +"2111": "2111-05-03", +"2112": "2112-04-17", +"2113": "2113-04-09", +"2114": "2114-04-29", +"2115": "2115-04-14", +"2116": "2116-05-03", +"2117": "2117-04-25", +"2118": "2118-04-17", +"2119": "2119-04-30", +"2120": "2120-04-21", +"2121": "2121-04-13", +"2122": "2122-05-03", +"2123": "2123-04-18", +"2124": "2124-04-09", +}; diff --git a/server/lib/pascha.js b/server/lib/pascha.js index 74692dd..4ded784 100644 --- a/server/lib/pascha.js +++ b/server/lib/pascha.js @@ -52,28 +52,13 @@ function init(moment) { //}; }); - /** - * Calculates Easter in the Gregorian/Western (Catholic and Protestant) calendar - * based on the algorithm by Oudin (1940) from http://www.tondering.dk/claus/cal/easter.php - * @returns {array} [int month, int day] - */ - var pascha = function(year) { - var f = Math.floor, - // Golden Number - 1 - G = year % 19, - C = f(year / 100), - // related to Epact - H = (C - f(C / 4) - f((8 * C + 13)/25) + 19 * G + 15) % 30, - // number of days from 21 March to the Paschal full moon - I = H - f(H/28) * (1 - f(29/(H + 1)) * f((21-G)/11)), - // weekday for the Paschal full moon - J = (year + f(year / 4) + I + 2 - C + f(C / 4)) % 7, - // number of days from 21 March to the Sunday on or before the Paschal full moon - L = I - J, - month = 3 + f((L + 40)/44), - day = L + 28 - 31 * f(month / 4); + const orthodoxDates = require("./pascha-dates.js"); - return moment([year, (month - 1),day]); + var pascha = function(year) { + /* Date lookup table.. */ + var date = orthodoxDates[year].split("-"); + date[1] -= 1; /* month needs to be zero index */ + return moment(date); } moment.modifyHolidays.extendParser(function(m, date){