#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd = LiquidCrystal_I2C(0x27,16,2);
#include <TimeLib.h>
void setup()
{
 Serial.begin(9600);
 lcd.init();
 lcd.backlight();
 lcd.blink();
 setTime(8,50,0,28,12,23); // set time to noon Jan 1 2011
}      //hour,minuts,sec,duy,month,year;
void loop()
{
 digitalClockDisplayLcd();
 delay(1000);
 lcd.clear();
}
void digitalClockDisplayLcd(){
 // digital clock display of the time
 //lcd.setCursor(0,0);
 lcd.print(hour()); // 12
 
 printDigits(minute());//(0) = 0
 printDigits(second()); 
 //lcd.println();
 //lcd.setCursor(1,0);
 lcd.setCursor(0,1);
 lcd.print(day());
 lcd.print(" ");
 lcd.print(month());
 lcd.print(" ");
 lcd.print(year());
 //lcd.println();
}
void printDigits(int digits){
 // utility function for clock display: prints preceding colon and leading 0
 lcd.print(":");
 if(digits < 10)
 lcd.print('0');
 lcd.print(digits);
 
}