In Chicago, from November 15th to December 31st, the sun sets before 4:30pm. Not much before; for about 11 days, it sets within a few seconds of 4:20pm before getting just a few seconds later.
The only point I'm making is: it's dark already. Cassie has gotten exactly one walk in full daylight a day for the last week, and that will likely continue.
Oh, and the Fourth Circuit has once again (metaphorically) called XPOTUS-appointed Federal Circuit Judge Aileen Cannon an idiot.