#include "RTClib.h"
#include <LiquidCrystal_I2C.h>
#define led A3
#define led1 A2
#define led2 A1

LiquidCrystal_I2C lcd(0x27, 16, 2);
RTC_DS1307 lii;

char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};

int tahun, bulan, hari, jam, menit, detik;

void setup () {
  pinMode(led, OUTPUT);
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  lcd.init();
  lcd.backlight();
  lii.begin();
}

void loop () {
  DateTime now = lii.now();
  tahun = now.year();
  bulan = now.month();
  hari = now.day();
  jam = now.hour();
  menit = now.minute();
  detik = now.second();

  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print(tahun);
  lcd.print("/");
  lcd.print(bulan);
  lcd.print("/");
  lcd.print(hari);
  lcd.setCursor(0,1);
  lcd.print(jam);
  lcd.print(":");
  if(jam==0 || jam==1 || jam==3 || jam==5 || jam==7 || jam==9 || jam==11 || jam==13 || jam==15 || jam==17 || jam==19 || jam==21 || jam==23){
    digitalWrite(led2, HIGH);
  }else{
    digitalWrite(led2, LOW);
  }
  lcd.print(menit);
  lcd.print(":");
    if(menit==0 || menit==5 || menit==10 || menit==15 || menit==20 || menit==25 || menit==30 || menit==35 || menit==40 || menit==45 || menit==50 || menit==55 || menit==60){
    digitalWrite(led1, HIGH);
  }else{
    digitalWrite(led1, LOW);
  }
  lcd.print(detik);
  if(detik==0 || detik==10 || detik==20 || detik==30 || detik==40 || detik==50){
    digitalWrite(led, HIGH);
  }else{
    digitalWrite(led, LOW);
  }
  delay(500);
}