Problem 6: You wake-up from a deep sleep with no feeling of time (other than its
night). You look out your south window and you see the following.
What time is it?
Problem 7: You have been kidnapped by eco-terrorists and whisked somewhere on the
Earth. Your cell has a skylight that looks directly upward (the zenith). One night
you look up and see the following.
What is happening? What time is it? Where on the Earth are you?