Digital Alarm Clock

#include<LiquidCrystal.h>
LiquidCrystal LCD(12,11,5,4,3,2);
const int init_time_LSB = 8;
const int init_time_MSB = 1;
void setup() 
{
  
  // put your setup code here, to run once:

}

void loop() {

   LCD.begin(16,2);
  LCD.home();
  LCD.setCursor(0,0);
  LCD.print(1);
  LCD.print(8);
  LCD.print(":");
 LCD.setCursor(3,0);
  LCD.print(4);
  LCD.print(3);
  LCD.setCursor(5,0);
  LCD.print(":");
  LCD.print(0);
 LCD.print(0);
  
  // put your main code here, to run repeatedly:
  for(int i=0;i<=23;i++)
  {
    for(int j=1;j<=59;j++)
    {
      for(int k=1;k<=59;k++)
      {
        LCD.home();
        if(k<10)
        {
          LCD.setCursor(6,0);
          LCD.print(0);
          LCD.setCursor(7,0);
          LCD.print(k);
          delay(1000);
        }
        else
        {
          LCD.setCursor(6,0);
          LCD.print(k);
          delay(1000);
        }
      }
      if(j<10)
        {
          LCD.setCursor(3,0);
          LCD.print(0);
          LCD.setCursor(4,0);
          LCD.print(j);
        }
        else
        {
          LCD.setCursor(3,0);
          LCD.print(j);
      
        }
      }
      
      if(i<10)
      {
        LCD.setCursor(0,0);
        LCD.print(0+init_time_MSB);
        LCD.setCursor(1,0);
        LCD.print(init_time_LSB+i);
        }
        else
        {
          int MSB=i/10;
          int LSB=i%10;
          LCD.setCursor(0,0);
        LCD.print(MSB+init_time_MSB);
        LCD.setCursor(1,0);
        LCD.print(init_time_LSB+LSB);
          
    }
  }
}