Day Teller

How To Make a Day Teller Application In C Language

#include <stdio.h>
#include <conio.h>
int main()
{
    int date,month,y,y1,y2,a,b,c,d,re,sum,sum1,re1,tot;
    printf("Instruction: At first give date(ex:17), then give year(ex:2014)\nthen type 1st two digit of year(ex:20).Next give last two digit of year(ex:14)\nAt last give month number(Ex:5)\n\n");


    printf("Enter Date=\a");
    scanf("%d",&date);
    printf("Enter Year=\a");
    scanf("%d",&y);

    printf("Enter 1st two digits of Year=\a");
    scanf("%d",&y1);

    printf("Enter last two digits of Year=\a");
    scanf("%d",&y2);
    printf("Enter Month Number=\a");
    scanf("%d",&month);

    if(month==1||month==10){
    a=5;
    if(y%4==0 && y%100!=0||y%400==0){
        if(month==1)
        a=4;
    }
    }
    if(month==2)
    a=0;
    if(y%4==0 && y%100!=0||y%400==0)
    {
        if(month==2)
        a=0;
    }
    if(month==3||month==11){
    a=1;
    }
    if(month==4||month==7){
    a=4;
    sum=(date+a);
    }
    if(month==5){
    a=6;
    }
    if(month==6){
    a=2;
    }
    if(month==8){
    a=0;
    }
    if(month==9||month==12){
    a=3;
    }

    sum=date+a;


    re=(y1%4);
    if(re==3){
    b=2;
    }
    if(re==2){
    b=4;
    }
    if(re==1){
    b=6;
    }
    if(re==0){
    b=1;
    }
    c=(y2/4);
    d=(y2+c);
    sum1=(b+d);
    tot=(sum+sum1);
    re1=tot%7;
    if(re1==0){
    printf("\nDay= Sunday\a");
    }
    if(re1==1){
    printf("\nDay= Monday\a");
    }
    if(re1==2){
    printf("\nDay= Tuesday\a");
    }
    if(re1==3){
    printf("\nDay= Wednesday\a");
    }
    if(re1==4){
    printf("\nDay= Thursday\a");
    }
    if(re1==5){
    printf("\nDay= Friday\a");
    }
    if(re1==6){
    printf("\nDay= Saturday\a");
    }
    getch();
    }

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About Ashadullah Shawon

I am Ashadullah Shawon. I am a Software Engineer. I studied Computer Science and Engineering (CSE) at RUET. I Like To Share Knowledge. Learn More: Click Here