Time Zones
Earth rotates on its polar axis once every 23.9345 hrs. As an oblate sphere measuring a circumferential 360°, Earth rotates through almost 15 angular degrees per hour.
Local noon occ...
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Time Zones
As the earth rotates on its axis from west to east, night and day arrive at different parts of the earth at different times. Until the late 1800s, every town, county, or isolated group of i...
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Time Zones
Time Zones