Raging fart sniffles

#include <LiquidCrystal.h>
#include <IRremote.h>

#define BRIGHTNESS 6
#define RECV_PIN 10
#define ALARM_BUZZER 8

IRrecv irrecv(RECV_PIN);
decode_results results;

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

volatile int seconds = 0;
volatile int minutes = 0;
volatile int hours = 0;

void setup(){
   lcd.begin(16, 2);
   Serial.begin(9600);
   irrecv.enableIRIn();
   digitalWrite(BRIGHTNESS, 100);
   pinMode(8, OUTPUT);
   pinMode(13, OUTPUT);
   pinMode(BRIGHTNESS, OUTPUT);
   cli();
   TCCR1A = 0;
   TCCR1B = 0;
   OCR1A = 15625;
   TCCR1B |= (1 << WGM12);
   TCCR1B |= (1 << CS10);
   TCCR1B |= (1 << CS12);
   TIMSK1 |= (1<< OCIE1A);
   sei();
}

void loop(){
  if(irrecv.decode(&results)) {
     long controlValue = results.value;
    if(controlValue == 0xFF629D){

      setTime();
    }
  }
  irrecv.resume();

  brightness();
  alarmBuzzer();

}

ISR (TIMER1_COMPA_vect){
  time();
}

ISR (TIMER1_OVF_vect){
  time();
}

void time(){
  lcd.setCursor(0,0);
  if(hours < 10){
    lcd.print(0);
  }
  lcd.print(hours);
  lcd.print(":");
  if(minutes < 10){
    lcd.print(0);
  }
  lcd.print(minutes);
  lcd.print(":");
  if(seconds < 10){
    lcd.print(0);
  }
  lcd.print(seconds);
  seconds++;
  if(seconds == 60){
    minutes++;
    seconds = 0;
    if(minutes == 60){
       hours++;
       minutes = 0;
    }
  }
 if (hours >= 24){
        hours = 0;
     }

}


void brightness(){
   if(hours >= 8 && hours < 21){
     analogWrite(6, 100);
   }else{
     analogWrite(6, 5);
   }
}

void alarmBuzzer(){
  digitalWrite(8, HIGH);
  delay(500);
  digitalWrite(8, LOW);
  delay(500);
}

void setTime(){

       long control = 0;

         while( control != 0xFF629D ){
         Serial.print("Change Time");

         hours = remoteControl();
         Serial.print(hours);
         Serial.print(" num1 \n");
         hours = hours * 10;
         hours = hours + remoteControl();

         Serial.print(hours);
         Serial.print(" num2 \n");
         minutes = remoteControl();
         Serial.print(minutes);
         Serial.print(" num3 \n");
         minutes = minutes * 10;
         Serial.print(minutes);
         Serial.print(" num4 \n");
         minutes = minutes + remoteControl();
         seconds = 0;
         time();

         control = 0xFF629D;
         }

}

int remoteControl(){

  irrecv.resume();
  while(!irrecv.decode(&results)){
     if(irrecv.decode(&results)) {
       long controlValue = results.value;


       switch(controlValue){
         //button setTime  = mode

          //button 0
          case 0xFF6897:

              return 0;


          //button 1
          case 0xFF30CF:
             return 1;

          //button 2
          case 0xFF18E7:
            return 2;

          //button 3
          case 0xFF7A85:

              return 3;

          //button 4
          case 0xFF10EF:
          return 4;

          //button 5
          case 0xFF38C7:
           return 5;

          //button 6
          case 0xFF5AA5:
           return 6;

          //button 7
          case 0xFF42BD:
             return 7;

          //button 8
          case 0xFF4AB5:
             return 8;

          //button 9
          case 0xFF52AD:
          return 9;

          //Holding down any button
          case 0xFFFFFFFF:
          delay(500);
          break;

          default:
              break;
       }
     irrecv.resume(); // Receive the next value
     }
   }
}