#include <Wire.h>
#include <SPI.h>
#include <RTClib.h>
RTC_DS1307 RTC;

#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);

String now_time;
int led1= 4;

void setup() {
  RTC.begin();
  lcd.init();
  lcd.backlight();
  lcd.setCursor(2,0);
  lcd.print("TIME DISPLAY");
  Serial.begin(9600);
pinMode(led1,OUTPUT);
   if (! RTC.isrunning()) {
    Serial.println("RTC is NOT running, let's set the time!");
    RTC.adjust(DateTime(F(__DATE__), F(__TIME__)));
  }

}

void loop() {
   DateTime nowTime = RTC.now();
    Serial.print(nowTime.year(), DEC);
    Serial.print('/');
    Serial.print(nowTime.month(), DEC);
    Serial.print('/');
    Serial.print(nowTime.day(), DEC);
    Serial.print(" ");
    Serial.print(nowTime.hour(), DEC);
    Serial.print(':');
    Serial.print(nowTime.minute(), DEC);
    Serial.print(':');
    Serial.print(nowTime.second(), DEC);
    Serial.println();
    now_time = "Time =" +String(nowTime.hour())+":"+String(nowTime.minute())+":"+String(nowTime.second());
    lcd.setCursor(1,1);
    lcd.print(now_time);
if (nowTime.second()<61 ){
  digitalWrite(led1,nowTime.second());
    delay(50);
    digitalWrite(led1,0);
}
delay(1000);
}