![]() ![]() More: Farewell flip-flops, hello pumpkin spice: The autumnal equinox is Wednesdayįor ancient societies, the autumnal equinox marked the end of summer and the vernal (or spring) equinox marked the end of winter, which helped people track time-sensitive activity, such as when to plant crops. According to the Farmers’ Almanac, the changing colors of the leaves on deciduous trees is actually triggered by the shorter days with reduced amounts of daylight. Each of those instances is an equinox, which is derived from the Latin words for equal (aequus) and night (nox).īut after the autumnal equinox, the northern hemisphere of the Earth begins to tilt away from the sun, so nights will get longer and days will grow shorter until the winter solstice, which will be on Dec. But twice in the course of that yearlong trip around the sun, the Earth is not inclined toward or away from the sun. The Earth spins on a tilted axis, which means that as the planet orbits the sun, it is leaning toward or away from the sun - thus, giving us seasons. Clouds notwithstanding, Austin will get about 12 hours and 8 minutes of daylight. Thursday for those living in the Central time zone. Before we break out the pumpkin carving tools or go thrift shopping for Halloween costumes, here are five things to know about this annual astronomical event: 1. What is the autumnal equinox?ĭuring the autumnal equinox, the sun shines directly on the equator, and the northern and southern hemispheres get the same amount of rays. The alignment officially occurs this year at 8:03 p.m. (Mountain Daylight Time) for cities in the Mountain Time Zone.For traditionalists who still use the sun to tell time, fall finally arrives Thursday with the autumnal equinox. ![]() CDT (Central Daylight Time) and it is 1.21 p.m. (Eastern Daylight Time) whereas people in the Central Time Zone, will experience the equinox at 2:21 p.m. ![]() People living in the eastern time zone are likely to experience the equinox at 3:21 p.m. The exact time of the fall equinox differs in the various time zones in North America as mentioned below. Know the time of the 2021 Autumnal Equinox: Usually each night the Moon rises approximately an hour later whereas during the time of the fall equinox moon rises just 20-30 minutes later for many consecutive nights in a row because of the Moon’s orbit angle and the tilt of the Earth line up just right. The full Moon rises for many consecutive nights in a row around sunset time around the fall equinox that provides farmers much-needed extra light for them to finish their harvests traditionally. Ever wondered why the full Moon that occurs nearest to the autumnal equinox is called as ‘Harvest Moon’! There is technicality surrounding the autumnal equinox with its relationship with the full Moon. Relationship between Autumnal Equinox and Harvest Moon: The fall equinox occurs in the month of September whereas in the month of March every year the vernal equinox occurs. Every year this can be witnessed in the month of September. This month on the 22nd of September, fall (autumnal) equinox will occur in the Northern Hemisphere which marks the beginning of fall. ![]() This will happen till the occurrence of the December solstice which would see that the days will turn longer whereas the nights will get shorter. That is, one can notice that the days start to get shorter whereas the nights are a little bit longer after the autumnal equinox. The sunrise starts to happen late and the nightfall happens early following the autumnal equinox. What happens on Fall Equinox or Autumnal Equinox? Both day, as well as night, are almost equal in length on the day of the equinox. “Equinox” word is derived from two Latin words, aequus implies “equal,” and nox meaning “night”. Equinox is basically the point where the sun center passes through the celestial equator that makes the day and night of almost equal duration across the entire world. ![]()
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