#include <LiquidCrystal_I2C.h>
#include "RTClib.h"

#define I2C_ADDR    0x27
#define LCD_COLUMNS 20
#define LCD_LINES   4

RTC_DS1307 rtc;

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



LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

void setup() {
  // Init
  lcd.init();
  lcd.backlight();

   if (! rtc.begin()) {
    lcd.println("Couldn't find RTC");
    lcd.flush();
    abort();
  }

  // Print something
  lcd.setCursor(0, 0);
 DateTime now = rtc.now();

  lcd.print("Current time: ");
  lcd.setCursor(0,1);
  
  lcd.print(now.year(), DEC);
  lcd.print('/');
  lcd.print(now.month(), DEC);
  lcd.print('/');
  lcd.print(now.day(), DEC);
  lcd.setCursor(0,2);

  lcd.print(daysOfTheWeek[now.dayOfTheWeek()]);
  lcd.print(now.hour(), DEC);
  lcd.print(':');
  lcd.print(now.minute(), DEC);
  lcd.print(':');
  lcd.print(now.second(), DEC);
  lcd.println();
}


void loop() {
}