| 2010 | Oct 16 | Sat |
| 2011 | Oct 1 | Sat |
| 2012 | Oct 20 | Sat |
| 2013 | Oct 13 | Sun |
| 2014 | Oct 4 | Sat |
| 2015 | Sep 19 | Sat |
Fall Astronomy Day can happen on various dates throughout the year In 2025, this was September 27th.
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