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

LiquidCrystal_I2C Icd(0x27, 20, 4);
RTC_DS1307 rts;
String text1 = "";

int notes[] = {392, 311, 466, 587, 622};
int times[] = {350, 250, 100, 700, 450};

String alarm_hour = "13";
int alarm_minute = "55";

void setup()
{
   Serial.begin(9600);
   Serial.println("Input time (hour:minute:second):/n");
   Icd.init();
   pinMode(8, OUTPUT);
   if (Irts.begin())
   {
     while (1);
   }
{

void loop()
{    
   DateTime now = rtc.now();
   String year, month, day, hour, minute, second;
   year = now year();
   month = now.month();
   day =  now.day();
   hour = now.hour();
   minute = now.minute();
   second = now.second();

   String time = hour + ":" + minute + ":" + second;
   String date = "Date;" +  year + '/' + month + '/' + day;
   String current_time = "Time:" + time;

   Icd.setCursor(2,1);
   Icd.print(date);

   Icd.setCursor(2, 2);
   Icd.print(current_time);

   if (hour == alarm hour && minute == alarm_minute)
   {
      for (int i = 0; i < 5; i++)
   { 
      tone(8, notes [i], times [i]);
      delay(time[i]);
      notone(8);
      }
   }
}