| 2005 | Apr 16 | Sat |
| 2006 | May 6 | Sat |
| 2007 | Apr 21 | Sat |
| 2008 | May 10 | Sat |
| 2009 | May 2 | Sat |
| 2010 | Apr 24 | Sat |
Spring Astronomy Day can happen on various dates throughout the year In 2025, this was May 3rd.
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