Your games are awesome, can't wait for this one :)

There is way too much heart beating, it's getting annoying.

First of all, I just wanted to use this chance and say that I am a huge fan of your games Stanislaw. I started out my journey with Depth 6 (now Inside Depth 6) and now Within Skerry (Suite 776 is next!) and your games are simply put amazing. But I won't go to much into detail on that not to go off-topic, you can find what I think about your games on my review :) Now to the main topic. As I am someone who likes to get all the achievements for a game that I enjoy, I noticed something weird with Within Skerr...

Here, I will help you... https://www.youtube.com/watch?v=L1cyqKl1Fk8

Not sure how the clocks work for this puzzle. Any hints?