Moon Calendar for May, 2009
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Friday, May 1, 2009 | First Quarter | 52.05% | π |
| Saturday, May 2, 2009 | First Quarter | 63.15% | π |
| Sunday, May 3, 2009 | Waxing Gibbous | 73.44% | π |
| Monday, May 4, 2009 | Waxing Gibbous | 82.45% | π |
| Tuesday, May 5, 2009 | Waxing Gibbous | 89.82% | π |
| Wednesday, May 6, 2009 | Waxing Gibbous | 95.29% | π |
| Thursday, May 7, 2009 | Full Moon | 98.69% | π |
| Friday, May 8, 2009 | Full Moon | 99.98% | π |
| Saturday, May 9, 2009 | Full Moon | 99.23% | π |
| Sunday, May 10, 2009 | Full Moon | 96.57% | π |
| Monday, May 11, 2009 | Waning Gibbous | 92.19% | π |
| Tuesday, May 12, 2009 | Waning Gibbous | 86.3% | π |
| Wednesday, May 13, 2009 | Waning Gibbous | 79.15% | π |
| Thursday, May 14, 2009 | Waning Gibbous | 70.97% | π |
| Friday, May 15, 2009 | Last Quarter | 62.02% | π |
| Saturday, May 16, 2009 | Last Quarter | 52.54% | π |
| Sunday, May 17, 2009 | Last Quarter | 42.79% | π |
| Monday, May 18, 2009 | Last Quarter | 33.09% | π |
| Tuesday, May 19, 2009 | Waning Crescent | 23.79% | π |
| Wednesday, May 20, 2009 | Waning Crescent | 15.34% | π |
| Thursday, May 21, 2009 | Waning Crescent | 8.24% | π |
| Friday, May 22, 2009 | New Moon | 3.07% | π |
| Saturday, May 23, 2009 | New Moon | 0.33% | π |
| Sunday, May 24, 2009 | New Moon | 0.4% | π |
| Monday, May 25, 2009 | New Moon | 3.41% | π |
| Tuesday, May 26, 2009 | Waxing Crescent | 9.19% | π |
| Wednesday, May 27, 2009 | Waxing Crescent | 17.28% | π |
| Thursday, May 28, 2009 | Waxing Crescent | 27.06% | π |
| Friday, May 29, 2009 | First Quarter | 37.86% | π |
| Saturday, May 30, 2009 | First Quarter | 49.01% | π |
| Sunday, May 31, 2009 | First Quarter | 59.94% | π |