The Autumnal Equinox

Autumn Leaves Montage


Rate this Post: 

Average: 3.4 (21 votes)

Coming up next week is the Blood Moon. Also called the MegaMoon. Or, the Mega Harvest Moon. Or, the Hyper Mega Harvest Blood Moon.

We could even label it a total lunar eclipse. But before we get to it, we’ve got the autumnal equinox.

The equinox arrives this coming Wednesday, September 23. I t’s at 4:21 AM EDT or 1:21 AM PDT.

You’ll go to sleep in summer and wake up in fall!

Autumnal Equinox Facts

  • You often hear that days and nights are equal on the equinox. Except they’re not: There’s more minutes of sunshine than non-sun that day. That’s because the thick air near the horizon bends the sun’s image upward and gives each of us about six extra minutes of undeserved daily sunlight.
  • But those other equinox rumors are true. The sun really does rise and set precisely due east and due west that day. So it’s a good time to see how your home is aligned with the cardinal points of the compass. Or, to position your sundial, that task you’ve been postponing for so long.
  • Also, equinoxes are the only time when everyone on Earth, even those at each of the poles, see the sun shining. It’s a happy feel-good kind of thing even if it officially closes out our beloved summer season.
  • Learn more about the autumnal equinox.

What we can’t do is celebrate the change of seasons with beating drums and human sacrifices like the Mayans did. These days that would violate local ordinances.

Photo Credit: NASA

However, we can quietly salute that nearest star while we get ready for next week’s total eclipse of the largest full moon of 2015—on the night of the Harvest Moon.

Cool stuff.

About This Blog

Welcome to “This Week’s Amazing Sky,” the Almanac’s blog on stargazing and astronomy. Wondering which bright objects you’re seeing in the night sky? Want to learn about a breathtaking sight coming up? Bob Berman, longtime and famous astronomer for The Old Farmer’s Almanac, will help bring alive the wonders of our universe. From the beautiful stars and planets to magical auroras and eclipses, we’ll cover everything under the Sun (and Moon)!

Reader Comments

Leave a Comment

Really it is a time of joy to

Really it is a time of joy to see the Blood Moon !!!

Thanks for the information on

Thanks for the information on the 7 minutes of undeserved sunlight this equinox. Y'all Rock !

I can't believe it is already

I can't believe it is already Fall 2015! I am excited for all the scents that come along with it, though!

wonderful. thanks for the

wonderful. thanks for the article

OH MY, my beloved summer ! We

OH MY, my beloved summer ! We here in South West PA did not have enough summer we had rain from the begin'n of June to the middle of July. Summer sure sucked here :(

Keep Your New Garden Growing

keepgardengrowingcover.jpgTop 10 Veggies.
Almanac Editors Tips- water, feed, pest control, harvest


You will also be subscribed to our Almanac Companion Newsletter


Solar Energy Production Today

87.60 kWh

Live data from the solar array at The Old Farmer's Almanac offices in Dublin, NH.