I do not know if you have a dedicated bugs forum, I couldn't find one listed.
I am a relatively new player and recently acquired a new apartment in the Military Base.
I was stood in my apartment, unloading my gogo into my cabinets, when all of a sudden, it got very dark. So dark that practically only the light in the ceiling and the shimmering of the genrep was visible. "Oh, night time" was my initial thought. Followed by "Wait a minite, deep underground in a concrete fortress doesn't HAVE a night time, its artificially lit anyway."
It seems the day/night cycle affects even areas where it shouldn't. Unless the laws of physics have changed too ofc.