//jd 

#include "LiquidCrystal.h"
LiquidCrystal lcd(8, 7, 6, 5, 4,3);

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

int Jam, Men, Det;
int Tgl, Bln, Thn;
int KHari;

void setup() {
 lcd.begin(20, 4); 
 Wire.begin();
 rtc.begin();
  if(!rtc.isrunning()) {
   Serial.println("RTC tidak berjalan!");
   rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
   // Set waktu otomatis dari komputer
 }
}

String SBln;

void NamaBulan(){
  if (Bln== 1) {SBln="Jan";}
  if (Bln== 2) {SBln="Fep";}
  if (Bln== 3) {SBln="Mar";}
  if (Bln== 4) {SBln="Apr";}
  if (Bln== 5) {SBln="Mei";}
  if (Bln== 6) {SBln="Jun";}
  if (Bln== 7) {SBln="Jul";}
  if (Bln== 8) {SBln="Agt";}
  if (Bln== 9) {SBln="Sep";}
  if (Bln==10) {SBln="Okt";}
  if (Bln==11) {SBln="Nop";}
  if (Bln==12) {SBln="Des";}

}
void loop() {
  DateTime now = rtc.now();
  
  Jam = now.hour();  Tgl = now.day();
  Men = now.minute();Bln = now.month();
  Det = now.second();Thn = now.year();
  KHari = now.dayOfTheWeek();
  NamaBulan();

  lcd.setCursor(2,1);
  if(KHari==0){lcd.print("Mgg");}
  if(KHari==1){lcd.print("Sen");}
  if(KHari==2){lcd.print("Sel");}
  if(KHari==3){lcd.print("Rab");}
  if(KHari==4){lcd.print("Kam");}
  if(KHari==5){lcd.print("Jum");}
  if(KHari==6){lcd.print("Sab");}
  lcd.print(", ");

  lcd.print(Tgl);
  lcd.print("-");
  lcd.print(SBln);
  lcd.print("-");
  lcd.print(Thn);

  lcd.setCursor(4,2);
  lcd.print(Jam);
  lcd.print(":");
  lcd.print(Men);
  lcd.print(":");
  lcd.print(Det);
  lcd.print("  ");
  if(Jam>12){lcd.print ("PM ");} else {lcd.print("AM ");}
  delay(200);
}