#Equinox fall festival full
Because it’s always the full Moon nearest to the equinox that’s called the “Harvest Moon,” either September or October’s full Moon can take on the name. The Harvest Moon is one of only two Moon names that are astronomical terms and aren’t tied to one specific month. Normally, the Moon rises about an hour later each night, but around the time of the fall equinox, the angle of the Moon’s orbit and the tilt of the Earth line up just right and cause the Moon to rise only about 20 to 30 minutes later each night for several nights in a row! An Astronomical Moon Name Surprise, surprise: it has to do with farming! Around the fall equinox, the full Moon rises around sunset for several nights in a row, which traditionally provided farmers with just enough extra light for them to finish their harvests before the killing frosts of fall set in. Curiously, the full Moon that occurs nearest to the autumnal equinox is always called the ” Harvest Moon!” Why is that? One of our favorite pieces of trivia surrounding the autumnal equinox involves its relationship with the full Moon. (See more about this below.) Foliage makes fall such a special season! The Harvest Moon & the Equinox The word “equinox” comes from Latin aequus, meaning “equal,” and nox, ”night.” On the equinox, day and night are roughly equal in length.
This ends with the winter solstice, after which days start to grow longer once again. In the Southern Hemisphere, it’s the reverse.Īfter the autumnal equinox, days become shorter than nights as the Sun continues to rise later and nightfall arrives earlier. What Is an Equinox?ĭuring an equinox, the Sun crosses what we call the “celestial equator”-an imaginary extension of Earth’s equator line into space. The equinox occurs precisely when the Sun’s center passes through this line.įor those in the Northern Hemisphere, when the Sun crosses the equator going from north to south, this marks the autumnal equinox when it crosses from south to north, this marks the vernal equinox. In the Northern Hemisphere, the autumnal equinox occurs in September in the Southern Hemisphere, it occurs in March. The autumnal equinox is an astronomical event that marks the start of autumn (or “fall”). Due to time zones, the date of the equinox may differ by +/- one calendar day in your location. Note: Dates listed above are based on Eastern Time ( UTC-5).
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