text: // place your const, vars, functions or classes here
  fields = [ 4 , 4 , 11 , 4 ];
  width = g.getWidth();
  height = g.getHeight();
  rowHeight = height/4;
  rowlights = [];
  
  function drawBerlinClock() {
      var now = new Date();
      rowlights[0] = Math.floor(now.getHours() / 5);
      rowlights[1] = now.getHours() % 5;
      rowlights[2] = Math.floor(now.getMinutes() / 5);
      rowlights[3] = now.getMinutes() % 5;
  
      g.clear();
  
      g.drawRect(0,0,width,height);
      for (row = 0 ; row < 4 ; row++) {
        nfields = fields[row];
        boxWidth = width/nfields;
  
        for (col = 0 ; col < nfields ; col++) {
          x1 = col*boxWidth;
          y1 = row*rowHeight;
          x2 = (col+1)*boxWidth;
          y2 = (row+1)*rowHeight;
  
          g.setColor(1,1,1);
          g.drawRect(x1,y1,x2,y2);
          if (col<rowlights[row]) {
  
            if (row === 2 ) {
              if (((col+1) % 3) === 0) {
                g.setColor(1,0,0);
              } else {
                g.setColor(1,1,0);
              }
            } else {
                g.setColor(1,0,0);
            }
  
            g.fillRect(x1+2,y1+2,x2-2,y2-2);
          }
        }
      }
  }
  
  // special function to handle display switch on
  Bangle.on('lcdPower', (on) => {
    g.clear();
    if (on) {
    	Bangle.drawWidgets();
    // call your app function here
    drawBerlinClock();
  }});
  
  // refesh every 15 sec
  setInterval(drawBerlinClock, 15E3);
  
  g.clear();
  Bangle.loadWidgets();
  Bangle.drawWidgets();
  drawBerlinClock();
  // Show launcher when middle button pressed
  setWatch(Bangle.showLauncher, BTN2, {repeat:false,edge:"falling"});
  