#include <LiquidCrystal.h>

const int rs = 12, en = 11, d4 = 10, d5 = 9, d6 = 8, d7 = 7;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

int H = 1, M = 59, S = 59;
int time = (H*3600)+(M*50)+S;

void setup()
{
  lcd.begin(16, 2);
  lcd.setCursor(3, 0);
  lcd.print("Count Time");
  lcd.setCursor(4, 1);
  lcd.print("HH:MM:SS");
}

void loop()
{
  int sec = time - (millis()/1000);
  if(sec >= 0)
  {
    int hour = sec / 3600;
    int mint = (sec/60) % 60;
    int sec1 = sec % 60;
    lcd.setCursor(4, 1);
    if(hour < 10)
    {
      lcd.print("0");
    }
    lcd.print(hour);
    lcd.print(":");
    if(mint < 10)
    {
      lcd.print("0");
    }
    lcd.print(mint);
    lcd.print(":");
    if(sec1 < 10)
    {
      lcd.print("0");
    }
    lcd.print(sec1);
  }  
}