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

LiquidCrystal_I2C lcd(0x27, 20, 4);

RTC_DS1307 rtc;
char daysOfTheWeek[7][12] = {"Minggu", "Senin", "Selasa", "Rabu", "Kamis", "Jum'at", "Sabtu"};

void setup() {
  // put your setup code here, to run once:
  Wire.begin();
  rtc.begin();

  lcd.init();
  lcd.backlight();
  lcd.setCursor(4, 0);
  lcd.print("Waktu Digital");

}

void loop() {
  // put your main code here, to run repeatedly:    
  DateTime now = rtc.now();
    lcd.setCursor(0, 1);
    lcd.print("Waktu");
    lcd.print("  ");
    lcd.print(": ");
    lcd.print(now.hour());
    lcd.print(':');
    lcd.print(now.minute());
    lcd.print(':');
    if (now.second() < 10) lcd.print('0');  //biar pas pergantian menit detiknya betul 
    lcd.print(now.second());
  
    lcd.setCursor(0, 2);
    lcd.print("Tanggal");
    lcd.print(": ");
    lcd.print(now.day());
    lcd.print('/');
    lcd.print(now.month());
    lcd.print('/');
    lcd.print(now.year());

    lcd.setCursor(0, 3);
    lcd.print("Hari");
    lcd.print("   ");
    lcd.print(": ");
    lcd.print(daysOfTheWeek[now.dayOfTheWeek()]);
    
}