In warmer climates, this may be more of an issue, but in Ireland, where I live, it's completely fine. I used ESPHome for this, and it's a great way to get it up and running if you want something quick ...

There are so many elements that make a good clock worth looking at for much longer than necessary. Not only is this clock quite cool to behold, it plays Pac-Man around the time! Yes, of course you can ...