Special events and other funny days

An equinox is one of the two times of the year when the earth's axis is neither from nor towards the sun. The vernal equinox or spring equinox occurs around 20-21 March and the autumnal equinox occurs around 22-23 September each year. Equinoctium is the same as the equinox.

When it is the equinox, day and night are the same length all over the world and the sun is perpendicular to a point on the equator, and from this point the sun will be at its zenith at noon. The words equinox, spring equinox and autumn equinox are also used about the day in which the time falls. The equinoxes are the only d ...