Have You Time to Spare?

Everyone has 24 hours daily, and we used it all. So, how is it that some of us have spare time? Nakamora asked himself, since he thought he hasn't got any.
Spare something means setting a portion of that something aside to be used in future, when the one we presently have is exhausted, expired, or rendered useless, like spare tires and spare parts. Can time be such a thing? But then, we can always re-define spare time. Expand the scope of definition of spare or change its context, can't we?
Doing something not because of necessity, but driven by interest or hobby, a digression from normal routine and chores, can be said to be doing something in spare time. Strolling in a garden near a lake, watching movies or dvds, listening to music, tendering potted plants, or watching fishes swimming back and forth in an aquarium are possibilities; and people do that.
One could be sitting on a bench, looking at other people spending their spare or leisure time and play around with a camera...