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When is the vernal equinox? In 2015, the vernal equinox (which is also called the spring equinox in the Northern Hemisphere) falls on March 20 at 6:45 P.M. EDT. Enjoy more equinox facts, folklore, and more!
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NORTHERN LIGHTS TRIP!
Join us in Alaska to see the aurora borealis from March 17 to 22, 2015. A once-in-a-lifetime trip and an incredibly memorable gift. See itinerary!!
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Rise & Set
Sunrise
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Sunset
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Moonrise
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Moonset
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Moon Question of the Day
How much would you weigh on the Moon? More
Moon Folklore of the Day
For better results when spring-cleaning, do the chores during a waning Moon (between full and new... More
Featured Astronomy Articles
Eclipse Dates
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See which eclipses will be visible across North America. See 2015 and 2016 Eclipse Dates.
Sky Watch
Each month, we highlight what's happening in the skies—including bright planets, conjunctions, and meteor showers. Read Sky Watch.
Sky Maps (Star Chart)
Get free, printable Sky Maps (Star Charts) to find your way around the night sky.
View Sky Maps for this month.
Meteor Showers
Catch a star! See meteor showers dates for 2015 —plus viewing tips.
Tide Predictor
With the Tide Predictions Calculator, find high and low beach tides for any location in the U.S. and Canada for any date.
Astronomy Videos
Enjoy videos about weather, gardening, the Moon, and more! See the Video Gallery.
Forums
Astronomy Forum
Find like-minded people and friendly discussion. Click on the links below to read recent topics and to post comments.
See more posts in the: Astronomy Forum
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Lunar crescents following new Moon
(Orion)
Thank you for making Bob Berman's excellent article available from the 2011 Old Farmer's Almanac. To find Bob Berman's article. First, under the Astronomy option: Go to Moon...
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Angle of the Sun
(Marybeth Shipley)
Hello! I was wondering why the angle of the sun is different in Autumn than in Spring. The Azimuths are the same, but in Autumn the shadows are longer and the light seems...
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ask jupiter?
(mamakat)
does anyone know what happened to her thread for best surgery dates? i can no longer put off knee replacement and have run out of time so i must get it done next month. i have no...
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Colors around Moon
(hollybattle)
I remember reading in the almanac what it means when you seen blue or other colored auras around the moon, but I can't remember what it said. Can anyone bring me up to date with...
