#include <LiquidCrystal_I2C.h>
#include <RTClib.h>
LiquidCrystal_I2C lcd(0x27,16,2);
RTC_DS1307 rtc;
int jam,menit,detik,tanggal,bulan,tahun;
char temp[32];
char dataHari[7][12] = {"Minggu", "Senin", "Selasa", "Rabu", "Kamis", "Jum'at", "Sabtu"};
String hari;

void setup() {
   // a variable to store 
lcd.backlight(); lcd.init();
lcd.setCursor(0,0); lcd.print("UpSkilling ELKA");
if(rtc.begin())
  delay(3000); lcd.clear();
  }

void loop () {
  DateTime now = rtc.now();
  hari    = dataHari[now.dayOfTheWeek()];
  tanggal = now.day();
  bulan   = now.month();
  tahun   = now.year();
  jam     = now.hour();
  menit   = now.minute();
  detik   = now.second();
  if(detik<=50)
  {
  lcd.setCursor(0,0); lcd.print("JAM DIGITAL    ");
  sprintf(temp,"%02d:%02d:%02d WIB     ",jam,menit,detik);
  lcd.setCursor(0,1); 
  lcd.print(temp);
     }
   else if(detik>50)
  {
  lcd.setCursor(0,0); lcd.print("HAVE A NICE DAY");
  lcd.setCursor(0,1); lcd.print(String() +hari+"," +tanggal+"-"+bulan+"-"+tahun);
    }
}