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Interesting Time Facts
Time that the year has slowed since 1 A.D. = 1O seconds
Average decrease in the year due to a gradual slowing of the earth's
rotation = 1/2 second per century
The earliest known date = 4236 B.C., the founding of the Egyptian
calendar
year that Atomic Time replaced Earth Time as the world's official time
standard = 1972
The year as measured in oscillations of atomic cesium =
290,091.200,500,000,000
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