#include <Wire.h>
#include <DS3232RTC.h>
#include <LiquidCrystal_I2C.h>

DS3232RTC myRTC;
LiquidCrystal_I2C lcd(0x27, 16,2);

void setup()
{
    Serial.begin(115200);
    lcd.begin(16,2);
    myRTC.begin();
    setTime(23, 31, 30, 13, 2, 2009);   // set the system time to 23h31m30s on 13Feb2009
    myRTC.set(now());
}

void loop()
{
    digitalClockDisplay();
    delay(1000);
}

void digitalClockDisplay()
{
    lcd.setCursor(0,0);
    lcd.print(hour());
    lcd.setCursor(2,0);
    printDigits(minute());
    lcd.setCursor(5,0);
    printDigits(second());
    lcd.setCursor(0,1);
    lcd.print(' ');
    lcd.print(day());
    lcd.print(' ');
    lcd.print(month());
    lcd.print(' ');
    lcd.print(year());
}

void printDigits(int digits)
{
    // utility function for digital clock display: prints preceding colon and leading 0
    lcd.print(':');
    if(digits < 10)
        lcd.print('0');
    lcd.print(digits);
}