#include "RTClib.h"

RTC_DS1307 rtc;
boolean night_mode=false;

void setup () {
  Serial.begin(115200);

  if (! rtc.begin()) {
    Serial.println("Couldn't find RTC");
    Serial.flush();
    abort();
  }
}

void loop () 
{
  DateTime now = rtc.now();
  if(now.hour()>=22 ||  now.hour()<=6)
  {
    night_mode=true;
     Serial.println("NIGHT MODE");

  }
  else
  night_mode=false;
}