equinox in a sentence
n.
Definition
Equinox: the time of year when the sun crosses the celestial equator, resulting in nearly equal lengths of day and night, typically occurring in spring and autumn.
Sample Sentences
- The spring equinox marks the moment when day and night are of nearly equal length.
- Many cultures celebrate the equinox as a time of renewal and balance in nature.
- Astronomers use the equinox to define the start of the astronomical seasons.
- During the autumn equinox, the harvest festivals are often held to give thanks for the crops.
- The equinox is a fascinating phenomenon that occurs twice a year, in March and September.