Day, but it has to be early in the morning, everything seems more alive then and in Pennsylvannia we usually have a lot of mist early in the morning. The night isn't that bad but you can't go outside, at least I can't, and that's all that matters to me, like the nightsky and its a lot more thrilling, it seems dangerous or something. But of course I usually can't get outside at night without my parents freaking....