Arduino Alarm Clock Project

#include <DS3231.h>
#define Hour 7    //define hour to wake up
#define minute 0 //define minute to wake up
// Init the DS3231 using the hardware interface
DS3231  rtc(SDA, SCL);   //set up RTC module
int Shout = 7;          //this is connected to the ISD module
int Butt = 6;           //this is the button
int Light = A0;         //LDR
bool Stop;             //Bool to stop screaming
long Read;             //to read LDR analog value
Time  t;               //from the Library

void setup()
{
  Serial.begin(115200);   //just for debug. not important
  pinMode(Shout,OUTPUT);  //define inputs and outputs
  pinMode(Butt,INPUT);
  rtc.begin();            //from library
  Stop = false;           //Scream at mE!!! (not yet)
}

void loop()
{
  t = rtc.getTime();     //get the time from RTC module
  if(rtc.getDOWStr()!= "FRIDAY" &&rtc.getDOWStr()!= "SATURSDAY")//unless its the weekend!
  {
    if((t.hour)== Hour && (t.min) == minute )   //when Time as come...
    {
      while(Stop==false)     //as long as the Bool is false (starting poin is false)
      {
         Read = analogRead(Light);  //read analog value
         digitalWrite(Shout,HIGH);  //the routine to oparate scream flow
         delay(20);
         digitalWrite(Shout,LOW);
        if((t.hour)== Hour && (t.min) == (minute+20))//if it lastad for more than 20 minutes 
          Stop=true;                              //Stop screaming at me!!
        if(digitalRead(Butt)==1 && Read >=905)//if the button is Pressed AND the light is ON!
          Stop=true;                           // STOP THIS MADDNESSSSSS
      } 
      delay(80000);            
      Stop=false;                         //get ready to start again tomorrow!
    }
  
  
  
  Serial.print(rtc.getDOWStr());
  Serial.print(" ");
  // Send date
  Serial.print(rtc.getDateStr());
  Serial.print(" -- ");
  // Send time
  Serial.println(rtc.getTimeStr());

  
  // Wait one second before repeating :)
  delay (1000);
  /*   SET this to change time!  do this if u didn't set the RTC time
  if(digitalRead(Butt))
  {
     rtc.setDOW(MONDAY);     // Set Day-of-Week to MONDAY
  rtc.setTime(19,35, 0);     // Set the time to 19:35:00 (24hr format)
  rtc.setDate(8, 4, 2019);   // Set the date to april 8, 2019
  }
  */
  
  }
}