Date
calculateEasterDay(int year) Calculates the easter day of given year.
int a = year % 19;
int b = year % 4;
int c = year % 7;
int month = 0;
int m = (8 * (year / 100) + 13) / 25 - 2;
int s = year / 100 - year / 400 - 2;
m = (15 + s - m) % 30;
int n = (6 + s) % 7;
...
Date
getEasterDay(int year) get Easter Day
int a = year % 19;
int b = year / 100;
int c = year % 100;
int d = b / 4;
int e = b % 4;
int f = (b + 8) / 25;
int g = (b - f + 1) / 3;
int h = ((19 * a) + b - d - g + 15) % 30;
...
Calendar
getSundayOfEaster(final int year) get Sunday Of Easter
int a = year % 19;
int b = year / 100;
int c = year % 100;
int d = b / 4;
int e = b % 4;
int g = (8 * b + 13) / 25;
int h = (19 * a + b - d - g + 15) % 30;
int j = c / 4;
...