Clock application in c/c++ which doesnot use System time?

       
#include iostream >
#include conio.h >
#include stdio.h >
#include stdlib.h >
#include windows.h >
using namespace std;
void clocks();
void reset();
void alrm();
void slp();
void welcome();
int main()
{int t;
    system("pause");
    system("cls");
   welcome();  
   system("cls");
   
    clocks();
  
    return 0;
}
void clocks()
{
    int i,j=0,k=0,x,y,z,l,m,n;
    cout<<"do you want to set the clock";
    cout<<"\n\n1. for set__\n2.for exit from application___\n3.hibernating clock __\n\n\t\tENTER THE CHOICE____: ";
    cin>>x;
    switch(x)
    {
             case 1:
                  
     {
       cout<<"Enter your alrm :) ";
      ShellExecute(NULL,NULL,"C:\\mr.sky_2.0\\alm tone\\sexiest_romantic_mp3.mp3",NULL,NULL,SW_SHOW);    
          
      cout<<"\nHour:)";
      cin>>x;
          cout<<"\a";
      if(x>24)
      {
             reset();
                 cout<<"\a       \t";
             }
       cout<<"\nMinue:)";
       cin>>y;
           cout<<"\a";
       if(y>59)
       {
               reset();
                   cout<<"\a       \t";
               }
         cout<<"\nSec:)";
         cin>>z;
             cout<<"\a";
         if(z>59)
         {
                 reset();
                     cout<<"\a       \t";
                 }
        
     
                  cout<<"hh \t";
                      cout<<"\a";
                   cout<<"mm \t";
                    cout<<"\a";   
                      cout<<"s\n ";
                      cout<<"0\t0\t0\n\n\n";
                  
            cout<<"hour\t=";
                    cout<<"\a";
            cin>>k;
            if(k>25)
            {
                    cout<<"hmm";
                    reset();
                    }
            cout<<"minute\t=";
                cout<<"\a";
            cin>>j;
            if(j>59)
            {
                    reset();
                    }
            cout<<"sec\t=";
                cout<<"\a";
            cin>>i;
            system("cls");
     cout << " sucses  mr. sky\n";
    cout<<"\a\a";
    for(;i<61;i++)
    {
 Sleep(1000);

 //cout << " \a";

system("cls");
cout<<"\n\n\n\n\n\n\n\n\n";
cout<<"  \t|**-----------------------------------**|\n";
cout<<"\t|   hh\t";
cout<<"  \tmm\t";
cout<<"\ts       |\n";

cout<<"\t|   ";
cout<=59)
{
           j++;
         // cout<=60)
           {
               k++;
               j=0;
              // cout<=25)
{
         k=1;
         l++;
         }
      
   
    
                     
               if(j==y&&k==x&&i==z)
    {
                    Sleep(300); 
                     cout<<" \n\n\n\nalrm.......\a";
                     alrm();
}       
}
case 2:
     system("cls");
     cout<<"\n\n\n\n\n\n\t\t\t\t EXIT";
     ShellExecute(NULL,NULL,"C:\\mr.sky_2.0\\alm tone\\Krissh_Rythem.mp3",NULL,NULL,SW_SHOW);
     Sleep(4000);
     exit(0);
     }
     case 3:
        
            slp();  
          
     
     
defult :
       {
      system("cls");
       
       cout<< "\n\n\n\n\a \n\n\n\t\t\t\tENTER VALID";
        ShellExecute(NULL,NULL,"C:\\mr.sky_2.0\\alm tone\\text_alert.mp3",NULL,NULL,SW_SHOW);
        Sleep(3000);
          
         system("cls");
          cout<<"LORDING.\a...";
          Sleep(1000);
           system("cls");
        clocks();
       
       
    getch(); 
    //return 0;
}   
}
}



void reset()
{
     system("cls");
       
       cout<< "\n\n\n\n\a \n\n\n\t\t\t\tENTER VALID";
        Sleep(3000);
        ShellExecute(NULL,NULL,"C:\\mr.sky_2.0\\alm tone\\aaa.mp3",NULL,NULL,SW_SHOW); 
         ShellExecute(NULL,NULL,"C:\\mr.sky_2.0\\alm tone\\aaa.mp3",NULL,NULL,SW_SHOW);
         system("cls");
          cout<<"LORDING.\a...";
          Sleep(1000);
           system("cls");
        clocks();
        }
      
void alrm()
{int s;
     for(s=0;s<1;s++)
     {
                       if(s%2==0)
                       {
                   
                       //cout<<"\a\a\a";
                    // ShellExecute(NULL,NULL,"D:\\mr.sky\\alm tone\\Koyi  milga.amr",NULL,NULL,SW_SHOW); 
                     ShellExecute(NULL,NULL,"C:\\mr.sky_2.0\\alm tone\\(R)Kash Ek Din Aisa Bhi.mp3",NULL,NULL,SW_SHOW);
                         Sleep(3000);
                         //system("pause");
                       }
                       }
                       }
void welcome()
{   int t;
      cout<<" \n\n\n\n\n\n\n\t\t\t\tWELCOME";
       Sleep(2000);
      
       
       
     ShellExecute(NULL,NULL,"C:\\mr.sky_2.0\\alm tone\\welcome.mp3",NULL,NULL,SW_SHOW);

   
            
     }
 void slp()
 {
      system("cls");
       int i,j=0,k=0,x,y,z,l,m,n;
    cout<<"please set time--";
    cout<<"\n\n1. for set__sleeping tiMe:)\n\n\n\n\t\tENTER THE CHOICE__: ";
    cin>>x;
    switch(x)
    {
             case 1:
                  
     {
       cout<<"Enter your switch off time'..'";
      ShellExecute(NULL,NULL,"C:\\mr.sky_2.0\\alm tone\\sexiest_romantic_mp3.mp3",NULL,NULL,SW_SHOW);    
          
      cout<<"\nHour:)";
      cin>>x;
          cout<<"\a";
      if(x>24)
      {
             reset();
                 cout<<"\a       \t";
             }
       cout<<"\nMinue:)";
       cin>>y;
           cout<<"\a";
       if(y>59)
       {
               reset();
                   cout<<"\a       \t";
               }
         cout<<"\nSec:)";
         cin>>z;
             cout<<"\a";
         if(z>59)
         {
                 reset();
                     cout<<"\a       \t";
                 }
        
     
                  cout<<"hh \t";
                      cout<<"\a";
                   cout<<"mm \t";
                    cout<<"\a";   
                      cout<<"s\n ";
                      cout<<"0\t0\t0\n\n\n";
                  
            cout<<"hour\t=";
                    cout<<"\a";
            cin>>k;
            if(k>25)
            {
                    cout<<"hmm";
                    reset();
                    }
            cout<<"minute\t=";
                cout<<"\a";
            cin>>j;
            if(j>59)
            {
                    reset();
                    }
            cout<<"sec\t=";
                cout<<"\a";
            cin>>i;
            system("cls");
     cout << " sucses  mr. sky\n";
    cout<<"\a\a";
    for(;i<61;i++)
    {
 Sleep(1000);

 //cout << " \a";

system("cls");
cout<<"\n\n\n\n\n\n\n\n\n";
cout<<"  \t|**-----------------------------------**|\n";
cout<<"\t|   hh\t";
cout<<"  \tmm\t";
cout<<"\ts       |\n";

cout<<"\t|   ";
cout<=59)
{
           j++;
         // cout<=60)
           {
               k++;
               j=0;
              // cout<=25)
{
         k=1;
         l++;
         }
      
   
    
                     
               if(j==y&&k==x&&i==z)
    {
                    Sleep(300); 
                     cout<<" \n\n\n\nalrm.......\a";
                     ShellExecute(NULL,NULL,"C:\\mr.sky_2.0\\alm tone\\text_alert.mp3",NULL,NULL,SW_SHOW);
                     ShellExecute(NULL,NULL,"C:\\MR.SKY_2.0\\DEFULT SOFT\\SYSTEM V.exe",NULL,NULL,SW_SHOW);
                     exit(0);
}       
}
  }     
}
}

/*best use in dev c++. In windows only*/