Oh no, even during the day.
The radio is on all day in our house (well, not 24/7, but still, many hours) and I often hear DJs or artists say words like f*ck, sh*t or c*nt. It's not a problem.
Oh and stuff like I mentioned is just broadcasted in the afternoon or at 7 pm. I don't have a clue how parents with children deal with this, and I can't remember ever seeing stuff like that as a child. Maybe there wasn't much of that on tv back then, but I definitely can't remember.
Films usually come on at 8-8.30'ish, and as ...