Summer’s invitation to head for the woods prompted this re-post.
Imagine yourself lost in the woods without a compass or GPS. An accurate sense of direction could save your bacon; so which way is north or south? In the Northern Hemisphere the sun rises in the east and sets in the west. At noon the sun will appear in the middle of the horizon and directly south. Walk facing the sun and you will be heading south, sun at your back sees you trudging north. For the Southern Hemisphere simply reverse the process.
Not noon, don’t know the correct time – here’s another method. Find a stick about a metre long, drive it straight up into the ground of a sunny spot. Mark the end of the shadow it casts with a rock. This will be west. Wait about 15 minutes then mark the end of the cast shadow with another rock. This will be east. Draw a line between…
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