Program To Calculate the day from the date using Zeller’s congruence.
//Program To Calculate the day from the date using Zeller's congruence.
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
public class DayFromDate
{
public static void main(String[] pArgs) throws IOException
{
int tYear = NeilClass.GetInputInt(“Type in the year “);
int tMonth = NeilClass.GetInputInt(“Type in the Month “);
int tDay = NeilClass.GetInputInt(“Type in the Day “);
int a=0;
int b=0;
int c=0;
if (tMonth < 3){
a = tMonth + 10;
b = (tYear-1)%100;
c = (tYear-1)/100;
}
else{
a = tMonth – 2;
b = tYear%100;
c = tYear/100;
}
int tWeekDay = (700 + (((26*a)-2)/10)+tDay+b+b/4+c/4-(2*c))%7;
System.out.println(“The day is ” + tWeekDay);
System.out.println(“[0 is Sunday, 1 is Monday etc.]“);
}
}
