Moon Calendar for May, 2009
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Friday, May 1, 2009 | First Quarter | 52.74% | π |
| Saturday, May 2, 2009 | First Quarter | 63.8% | π |
| Sunday, May 3, 2009 | Waxing Gibbous | 74.03% | π |
| Monday, May 4, 2009 | Waxing Gibbous | 82.95% | π |
| Tuesday, May 5, 2009 | Waxing Gibbous | 90.21% | π |
| Wednesday, May 6, 2009 | Waxing Gibbous | 95.55% | π |
| Thursday, May 7, 2009 | Full Moon | 98.83% | π |
| Friday, May 8, 2009 | Full Moon | 100% | π |
| Saturday, May 9, 2009 | Full Moon | 99.13% | π |
| Sunday, May 10, 2009 | Full Moon | 96.35% | π |
| Monday, May 11, 2009 | Waning Gibbous | 91.87% | π |
| Tuesday, May 12, 2009 | Waning Gibbous | 85.9% | π |
| Wednesday, May 13, 2009 | Waning Gibbous | 78.68% | π |
| Thursday, May 14, 2009 | Waning Gibbous | 70.45% | π |
| Friday, May 15, 2009 | Last Quarter | 61.45% | π |
| Saturday, May 16, 2009 | Last Quarter | 51.95% | π |
| Sunday, May 17, 2009 | Last Quarter | 42.2% | π |
| Monday, May 18, 2009 | Last Quarter | 32.51% | π |
| Tuesday, May 19, 2009 | Waning Crescent | 23.25% | π |
| Wednesday, May 20, 2009 | Waning Crescent | 14.86% | π |
| Thursday, May 21, 2009 | Waning Crescent | 7.87% | π |
| Friday, May 22, 2009 | New Moon | 2.83% | π |
| Saturday, May 23, 2009 | New Moon | 0.25% | π |
| Sunday, May 24, 2009 | New Moon | 0.5% | π |
| Monday, May 25, 2009 | New Moon | 3.69% | π |
| Tuesday, May 26, 2009 | Waxing Crescent | 9.62% | π |
| Wednesday, May 27, 2009 | Waxing Crescent | 17.83% | π |
| Thursday, May 28, 2009 | Waxing Crescent | 27.7% | π |
| Friday, May 29, 2009 | First Quarter | 38.53% | π |
| Saturday, May 30, 2009 | First Quarter | 49.69% | π |
| Sunday, May 31, 2009 | First Quarter | 60.58% | π |