Set and Get System Date

26. Program to get and set system date?

Program

#include<dos.h>

#include<conio.h>

#include<stdio.h>

void main()

{

 union REGS in,out;

 clrscr();

/*----date, month and year are in DL,DH and CX registers respectively----*/

/*-----Getting the System Date-----*/

 in.h.ah=0X2A;

 int86(0X21,&in,&out);

 printf("\nCURRENT SYSTEM DATE:%d- %d- %d",out.h.dl,out.h.dh,out.x.cx);

/*-----Setting the System Date----*/

 printf("\nENTER NEW DATE:");

 printf("\nDAY:");

 scanf("%d",&in.h.dl);

 printf("\nMONTH:");

 scanf("%d",&in.h.dh);

 printf("\nYEAR:");

 scanf("%d",&in.x.cx);

 in.h.ah=0X2B;

 int86(0X21,&in,&out);

 printf("\nNEW SYSTEM DATE:%d- %d- %d",out.h.dl,out.h.dh,out.x.cx);

 getch();

}

Output

CURRENT SYSTEM DATE:19- 8- 2011                                                

ENTER NEW DATE:                                                                

DAY:10                                                                         

                                                                               

MONTH:11                                                                       

                                                                                

YEAR:2009                                                                      

                                                                               

NEW SYSTEM DATE:10- 11- 2009