        }
      //push the changes
      strip.show();
-     //wait 4 hours
-     delay(14400000);
+     //wait 4 hours which is 14400000
+     delay(90000);
   }
   
   

    if (str.indexOf('i') >= 0) {
      //LED number, RGB
      strip.setPixelColor(8, 0, 0, 255);
    }

    //second light 
    if (str.indexOf('j') >= 0) {
      strip.setPixelColor(9, 0, 0, 255);
    } 

    //third light 
    if (str.indexOf('k') >= 0) {
      strip.setPixelColor(10, 0, 0, 255);
    }

    //fourth light 
    if (str.indexOf('l') >= 0) {
      strip.setPixelColor(11, 0, 0, 255);
    }

    //high north 


      //LED number, RGB
      strip.setPixelColor(0, 140, 255, 0);
    }
    else {
      strip.setPixelColor(0, 0, 0, 0);
    }

    //second light 
    if (str.indexOf('b') >= 0) {
      strip.setPixelColor(1, 140, 255, 0);
    }
    else {
      strip.setPixelColor(1, 0, 0, 0);
    }

    //third light 
    if (str.indexOf('c') >= 0) {
      strip.setPixelColor(2, 140, 255, 0);
    }
    else {
      strip.setPixelColor(2, 0, 0, 0);
    }

    //fourth light 
    if (str.indexOf('d') >= 0) {
      strip.setPixelColor(3, 140, 255, 0);
    }
    else {
      strip.setPixelColor(3, 0, 0, 0);
    }

    //york north 

