Here’s when to watch tonight’s harvest moon — and what makes it so special

harvest moonBill Ingalls/NASA via Getty Images

Don’t forget to look outside at sunset tonight.

The 2017 harvest moon will rise just after the sun sets on October 5, appearing in the waning light.

This particular moon tends to appear massive and often takes on a reddish-orange color, not unlike a “great pumpkin,” as NASA explains.

While it might appear to be a cosmic signifier of fall, the changes in color are due to the effects of clouds and dust in the sky. And the harvest moon’s seemingly enormous size is due to an optical effect known as the “moon illusion,” which makes low-hanging moons appear to be much larger than they will when they rise higher into the sky.

The thing that gives the phenomenon the name “harvest moon” is simply the fact that this is the closest full moon to the autumnal equinox, which happened on September 22. This is a rare type of harvest moon, however, since it’s appearing in October, not September.

To watch it, you just need a clear view of the sky. In New York City, the sun will set on October 5 at 6:31 p.m. ET and the moon will rise at 6:51 p.m. ET. You can check your local exact sunset and moonrise times here.

If for whatever reason you can’t catch it tonight, take a look outside tomorrow. You’ll still see an almost-full moon rising close to sunset. Often, some of these harvest moon traits can be observed for a few days before and after the main event.

NOW WATCH: Here’s what a harvest moon really is — and when this year’s will rise


Post Author: martin

Martin is an enthusiastic programmer, a webdeveloper and a young entrepreneur. He is intereted into computers for a long time. In the age of 10 he has programmed his first website and since then he has been working on web technologies until now. He is the Founder and Editor-in-Chief of and Online Magazines. His colleagues appreciate him as a passionate workhorse, a fan of new technologies, an eternal optimist and a dreamer, but especially the soul of the team for whom he can do anything in the world.

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