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

RTC_DS1307 rtc;
LiquidCrystal_I2C lcd(0x27, 16, 2);
char daysOfTheWeek[7][10] = {"Minggu", "Senin", "Selasa", "Rabu", "Kamis", "Jumat", "Sabtu"};

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

  if (!rtc.isrunning()) {
    Serial.println("RTC is NOT running!");
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
  }

  lcd.init();
  lcd.backlight();
}

void loop() {
  DateTime now = rtc.now();

  // Display date and time on the LCD
  lcd.setCursor(0, 0);
  lcd.print(daysOfTheWeek[now.dayOfTheWeek()]);
  lcd.print(", ");
  lcd.print(now.day(), DEC);
  lcd.print("-");
  lcd.print(now.month(), DEC);
  lcd.print("-");
  lcd.print(now.year(), DEC);

  lcd.setCursor(5, 1);
  lcd.print(now.hour(), DEC);
  lcd.print(":");
  if (now.minute() < 10) {
    lcd.print("0");
  }
  lcd.print(now.minute(), DEC);
  
  // Display date and time on the Serial Monitor
  Serial.print("Saat ini: ");
  Serial.print(daysOfTheWeek[now.dayOfTheWeek()]);
  Serial.print(", ");
  Serial.print(now.day(), DEC);
  Serial.print("-");
  Serial.print(now.month(), DEC);
  Serial.print("-");
  Serial.print(now.year(), DEC);
  
  Serial.print(" ");
  
  Serial.print(now.hour(), DEC);
  Serial.print(":");
  
  if (now.minute() < 10) {
    Serial.print("0");
  }
  
  Serial.println(now.minute(), DEC);
  Serial.println("---");

 delay(1000); // Update every second
}