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First Point of Aries

American  

noun

  1. the vernal equinox.


Example Sentences

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That is, when Greenwich is 4h   16m   30s from the sun, how far is Greenwich from the First Point of Aries?

From Lectures in Navigation by Draper, Ernest Gallaudet

You remember that, roughly speaking, the Sun's Right Ascension was the distance in time the sun was from the First Point of Aries.

From Lectures in Navigation by Draper, Ernest Gallaudet

From the First Point of Aries, or the place of the sun at the vernal equinox, the degrees of the ecliptic are counted from west to east.

From The New Gresham Encyclopedia Volume 4, Part 2: Ebert to Estremadura by Various

What you wish to get first is G.S.T., i.e., the distance in time Greenwich is from the First Point of Aries.

From Lectures in Navigation by Draper, Ernest Gallaudet

Sidereal Time at Greenwich or the distance in time the meridian of Greenwich is from the First Point of Aries.

From Lectures in Navigation by Draper, Ernest Gallaudet

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