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Rise & Set

Today's Sun


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Today's Moon Phase


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Sky Watch

Each month, we highlight special astronomical events to help you explore the stars, Moon, and night sky from your own backyard. See the Almanac Sky Watchand sky map.

Astronomy Blog

Full Moon Video

Full MoonLearn about November's Full Moon, folklore and facts. Watch the  Moon video.

Eclipse Dates

See which eclipses will be visible across North America. See 2014 and 2015 Eclipse Dates.

Moon Question of the Day

What exactly is a waning or waxing gibbous or crescent Moon? More

Moon Folklore of the Day

Seed germination, some farmers insist, is much better just before the full Moon. More

Northern Lights Tour!

Northern Lights Tour
Join the Almanac for the Northern Lights Tour in March, 2015! See the itinerary and learn more here.

Sky Maps (Star Chart)

Sky Map
Get free Sky Maps (Star Charts) to find your way around the night sky—printable, too!
See Sky Maps for September.

Meteor Showers

Meteor Shower GuideCatch a star! See meteor showers dates for 2014 —plus viewing tips.

Tide Predictor

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 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

  • 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...
  • 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...
  • 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...
  • 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...