equinoctial circle
equinoctial line

The above-mentioned intersection of the equinoctial circle and the zodiac.

The tropic of Cancer C, touching the ecliptic at the beginning of Cancer in e, and the tropic of Capricorn D, touching the ecliptic at the beginning of Capricorn in f; each 23 degrees from the equinoctial circle.

As some explain it, the east, according to others the equinoctial line.

The island of Serendib being situated on the equinoctial line, the days and nights there are of equal length.

Now the Island Sarandib lieth under the equinoctial line, its night and day both numbering twelve hours.

Heredia was given a whole new area going inland to the equator, which covered virtually what is now Colombia and more than half of Ecuador up to the equinoctial line.

In 1736, he collaborated with the Spanish-French Geodesic Mission, whose primary objective, until 1743, was the decision of the value of a degree of terrestrial median in the proximity of an equinoctial line.