The ambient lighting is finished. I’ll wait until I get a few more things finished before I put together the next release.
The day length now depends on season and latitude, and this factors into plant growth. The moon phase is now tracked and factors into night-time ambient levels. The time of day is now more variable since it depends on the length of day for how long each period lasts. The new sunrises/sunsets are just wonderful. As twilight sets in the player’s limited night vision should kick in allowing you to see a little bit around you in the dead of night.
Here’s a video showing the day change in super fast-forward: