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What was added to the calendar 12-31-90 to adjust for variations in the earth's rotation?
Wiki User
∙ 15y ago
A Leap Second
Wiki User
∙ 15y ago
A "leap second" was added to the calendar on 12-31-90 to adjust for variations in the Earth's rotation. This extra second is occasionally added to Coordinated Universal Time (UTC) to keep atomic time in sync with solar time. It helps maintain the accuracy of timekeeping systems.
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