Autumn Equinox 2025 Est Time Zone

Autumn Equinox 2025 Est Time Zone. The equinox is the time of year when the sun is at its zenith at the earth's equator, and the earth is at right angles (taking the poles) to the sun's rays. The following are the times and dates of equinoxes and solstices from 2017 to 2030.

This page provides precise equinox and solstice dates for the current year and future years up. Equinox means equal day and night (12 hours each).