SUNSET: 
Celebrate Fall Astronomy Day This Weekend
Saturday, October 9, 2021, is this fall’s Astronomy Day!
International Observe the Moon Night Is Here
International Observe the Moon Night is here. Step outside Saturday evening and admire our closest celestial neighbor with your family.
Fall Astronomy Day 2018
Curious about astronomy? No plans for Saturday? Well, you’re in luck! Saturday October 13 is Fall Astronomy Day and your local amateur astronomical community has all sorts of fun things in store for you.
Spring Astronomy Day 2018
Looking for something to do on Saturday? Make plans to celebrate Astronomy Day on April 21st!
Spring Astronomy Day 2017!
Amateur astronomy clubs, planetariums, science museums, and parks celebrate Astronomy Day twice a year, when the public is invited to come learn about the sky and view through telescopes.
Fall Astronomy Day: Saturday, October 8th!
Amateur astronomy clubs, planetariums, science museums, and parks celebrate Astronomy Day twice a year.
Spring Astronomy Day 2016
Join your local amateur astronomy community in celebrating Spring Astronomy Day on May 14, 2016.
Celebrate Astronomy Day: April 25, 2012!
April 20th is Astronomy Day, when hundreds of astronomy clubs, observatories, museums, colleges, and planetariums worldwide host special family-oriented events and festivities that showcase the wonder and excitement of the night sky.
Entry Form for S&T Astronomy Day Award
The latest version of the S&T Astronomy Day Award entry form is available on the Astronomical League's website.
The S&T Astronomy Day Award
Each year, one club or organization is recognized for its successful efforts in promoting Astronomy Day.
Countdown to Astronomy Day 2006
Mark your calendars! This year's Astronomy Day festivities take place May 6th.