Last Updated
：2025/12/01
equation of time
Noun
Japanese Meaning
平均太陽時と見かけの太陽時（実際の太陽の動きに基づく太陽時）の間に生じる差異。 / 太陽の実際の運行と理論的な平均パターンのずれを示す指標。
（ plural ）
Quizzes for review
The discrepancy between two kinds of solar time: the apparent solar time, which directly tracks the motion of the Sun, and mean solar time, which tracks a theoretical mean
Sun with noons 24 hours apart.
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equation of time
The equation of time can cause sundials to be up to about sixteen minutes fast or slow compared with clock time.
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The equation of time can cause sundials to be up to about sixteen minutes fast or slow compared with clock time.
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