├── .gitignore
├── README.md
└── calender.c


/.gitignore:
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1 | /cal.exe
2 | /calender.exe


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/README.md:
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1 | ![Calender-Using-C-Language](https://socialify.git.ci/sachinl0har/Calender-Using-C-Language/image?description=1&font=Source%20Code%20Pro&forks=1&issues=1&language=1&owner=1&pulls=1&stargazers=1&theme=Dark)
2 | # Calender-Using-C-Language
3 | 


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/calender.c:
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 1 | #include <stdio.h>
 2 | #include <stdlib.h>
 3 | 
 4 | int get_1st_weekday(int year)
 5 | {
 6 | 
 7 |     int d;
 8 |     d = (((year - 1) * 365) + ((year - 1) / 4) - ((year - 1) / 100) + ((year) / 400) + 1) % 7;
 9 |     return d;
10 | }
11 | 
12 | int main()
13 | {
14 |     system("cls");
15 |     system("Color 0A");
16 |     int year, month, day, daysInMonth, weekDay = 0, startingDay;
17 |     printf("\nEnter Year:");
18 |     scanf("%d", &year);
19 | 
20 |     char *months[] = {"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"};
21 |     int monthDay[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
22 | 
23 |     if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0)
24 |         monthDay[1] = 29;
25 | 
26 |     startingDay = get_1st_weekday(year);
27 | 
28 |     for (month = 0; month < 12; month++)
29 |     {
30 | 
31 |         daysInMonth = monthDay[month];
32 |         printf("\n\n---------------%s-------------------\n", months[month]);
33 |         printf("\n  Sun  Mon  Tue  Wed  Thurs  Fri  Sat\n");
34 | 
35 |         for (weekDay = 0; weekDay < startingDay; weekDay++)
36 |             printf("     ");
37 | 
38 |         for (day = 1; day <= daysInMonth; day++)
39 |         {
40 |             printf("%5d", day);
41 | 
42 |             if (++weekDay > 6)
43 |             {
44 |                 printf("\n");
45 |                 weekDay = 0;
46 |             }
47 |             startingDay = weekDay;
48 |         }
49 |     }
50 | }
51 | 


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