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

RTC_DS1307 rtc;
LiquidCrystal_I2C lcd(0x27, 16, 2);
char dataHari[7][12] = {"Minggu", "Senin", "Selasa", "Rabu", "Kamis", "Jumat", "Sabtu"};
String hari;
int tanggal, bulan, tahun, jam, menit, detik;
void setup() {
  Wire.begin();
  rtc.begin();
  Serial.begin(9600);

  if (! rtc.begin()) {
    Serial.println("RTC Tidak Ditemukan");
    Serial.flush();
    abort();
  }
  rtc.adjust(DateTime(F(__DATE__), F(__TIME__)).unixtime() + 7 * 3600);
  lcd.init();
  lcd.backlight();
  lcd.clear();
}


void loop () {
  DateTime now = rtc.now();
  hari    = dataHari[now.dayOfTheWeek()];
  tanggal = now.day(), DEC;
  bulan   = now.month(), DEC;
  tahun   = now.year(), DEC;
  jam     = now.hour(), DEC;
  menit   = now.minute(), DEC;
  detik   = now.second(), DEC;


  Serial.println(String() + hari + ", " + tanggal + "-" + bulan + "-" + tahun);
  Serial.println(String() + jam + ":" + menit + ":" + detik);
  Serial.println();
  int i;
  lcd.setCursor(0, 0);
  lcd.print("Hari ini: ");
  lcd.print(String() + hari + ", " + tanggal + "-" + bulan + "-" + tahun);
  for (i=0;i<16;i++)
  {lcd.scrollDisplayLeft(); 
    delay(250);}
  lcd.setCursor(0, 1);
  lcd.print(String() + jam + ":" + menit + ":" + detik);
  delay(1000);
}