You certainly have time to do other things - you don't really have homework to do, so you can quite easily get away with just working on assessments when they come around and taking notes during lectures.
Although, depending on your degree, you might not feel like going out and doing something when you get home... I had long hours this semester and was largely too tired to do anything during the week.
Although, depending on your degree, you might not feel like going out and doing something when you get home... I had long hours this semester and was largely too tired to do anything during the week.