Finding North with a Watch and the Sun

This is a cool trick I learned from watching the very first episode of Man vs. Wild.  I was curious to see if it really worked so I tried it out, and it does!  Of course, if you're in an emergency situation without an analog watch, you'll just have to find a different system (like maybe...a compass?).

Here's what you do if you are in the northern hemisphere:

1. Hold your watch flat like you would a compass.
2. Point the smaller, hour hand in the direction of the sun.
3. Find the midway angle between 12 and the hour hand.  This gives you your north/south line to follow.  If it happens to be during Daylight Savings, find the midway angle between 1 and the hour hand instead.
4. North will be in the direction away from the sun.  South is towards the sun.

If you are in the southern hemisphere, the method changes only slightly:

1. Hold the watch flat.
2. Point 12 in the direction of the sun.
3. Find the midway angle between 12 and the hour hand to get your north/south line.  This time, south is away from the sun and north is towards the sun.