#include <Wire.h>
#include "RTClib.h"
RTC_DS1307 rtc;

#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 20, 4);

char daysOfTheWeek[7][12] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};

void setup () 
{
  Serial.begin(9600);

  lcd.init();
  lcd.backlight();
  if (! rtc.begin()) 
  {
    lcd.print("Can't Find RTC");
    while (1);
  }
  if (! rtc.isrunning()) 
  {
    lcd.print("RTC is NOT running!");
  }
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));//auto update from computer time
   //rtc.adjust(DateTime(2022, 9, 26, 18, 03, 00));    // to set the time manualy 
}
void loop () 
{
    DateTime now = rtc.now();
    lcd.setCursor(0, 1);
    lcd.print("TIME");
    lcd.print(" ");
    lcd.print(now.hour());
    lcd.print(':');
    lcd.print(now.minute());
    lcd.print(':');
    lcd.print(now.second());
    lcd.print("  ");
    lcd.setCursor(0, 0);
    lcd.print("DATE");
    lcd.print(" ");
    //lcd.print(daysOfTheWeek[now.dayOfTheWeek()]);
    //lcd.print(" ");
    lcd.print(now.day());
    lcd.print('/');
    lcd.print(now.month());
    lcd.print('/');
    lcd.print(now.year());
    lcd.print("  ");   
}