Day (English)
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Definition (keystage 1)
24 hours.
Definition (keystage 2)
The time it takes the earth to turn once on its own axis.
24 hours.
For timekeeping we use the solar day, which is the time it takes for the same point on the earth to be facing the sun. But astronomers sometimes use the sidereal day, which is the time taken for a point on the earth to be facing the same way relative to the stars - this is slightly different, because the earth is moving around the sun.
24 hours.
For timekeeping we use the solar day, which is the time it takes for the same point on the earth to be facing the sun. But astronomers sometimes use the sidereal day, which is the time taken for a point on the earth to be facing the same way relative to the stars - this is slightly different, because the earth is moving around the sun.
Relations
- broader:
- (en) Unit of time
- references:
- (en) Time
- referenced:
- (en) Afternoon
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