1) Temple's first year classes and Fall semester of 2nd year really aren't mandatory. A couple here and there are, but the majority aren't. Spring of 2nd year and Fall of 3rd year are pretty much all mandatory.
2) First year we had class usually from 10-12 and then 1-3 Monday-Friday. Second year sometimes we would start at 9 (possibly 8) and end at the LATEST 5, but that was extremely rare. Third year...well I'm in class roughly a million hours a week. Free time slowly decreases as the years go on. First year and even second year you should have plenty of time to go out on weekends, unless there's an exam on like Monday or Tuesday. I would study pretty much every day except the night after an exam.