Definition of equation of time in English:

equation of time

Syllabification: e·qua·tion of time


  • The difference between mean solar time (as shown by clocks) and apparent solar time (indicated by sundials), which varies with the time of year.
    More example sentences
    • Fourier series numerical algorithms were used to compute solar declination and the equation of time.
    • Put all this together, and you have what astronomers call the equation of time, which produces a similar effect around the winter solstice.
    • You have to combine these two effects to get the true picture, producing a wobbly graph called the equation of time.

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Pronunciation: ˌastrəˈgāSHən
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