There isn't anything magical that happens after 6 p.m. or 8 p.m., or whatever time experts say you should stop eating carbs — they won't automatically turn into fat.
While 16:8 intermittent fasters find success with not eating after dinner, it doesn't have anything to do with eating carbs specifically. Frances said, "if you're hungry at night, you should definitely eat something small, and a bowl of whole grain cereal or a piece of avocado toast would be perfect."