Bob King / Forum Communications Co.
This simple star clock uses the Big Dipper and polestar to tell time. Turn the outer dial so the current month is at the top. Then turn the inner wheel to match the Big Dipper’s position in the sky (as you face north), and read the time off to the side. Remember to add an hour for daylight saving time.
Read the article: Learn to tell the time by looking to the stars
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