Moon Calendar for May, 2009
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Friday, May 1, 2009 | First Quarter | 51.18% | π |
| Saturday, May 2, 2009 | First Quarter | 62.31% | π |
| Sunday, May 3, 2009 | Waxing Gibbous | 72.68% | π |
| Monday, May 4, 2009 | Waxing Gibbous | 81.81% | π |
| Tuesday, May 5, 2009 | Waxing Gibbous | 89.32% | π |
| Wednesday, May 6, 2009 | Waxing Gibbous | 94.94% | π |
| Thursday, May 7, 2009 | Full Moon | 98.5% | π |
| Friday, May 8, 2009 | Full Moon | 99.96% | π |
| Saturday, May 9, 2009 | Full Moon | 99.36% | π |
| Sunday, May 10, 2009 | Full Moon | 96.84% | π |
| Monday, May 11, 2009 | Waning Gibbous | 92.58% | π |
| Tuesday, May 12, 2009 | Waning Gibbous | 86.8% | π |
| Wednesday, May 13, 2009 | Waning Gibbous | 79.74% | π |
| Thursday, May 14, 2009 | Waning Gibbous | 71.64% | π |
| Friday, May 15, 2009 | Last Quarter | 62.73% | π |
| Saturday, May 16, 2009 | Last Quarter | 53.28% | π |
| Sunday, May 17, 2009 | Last Quarter | 43.55% | π |
| Monday, May 18, 2009 | Last Quarter | 33.83% | π |
| Tuesday, May 19, 2009 | Waning Crescent | 24.49% | π |
| Wednesday, May 20, 2009 | Waning Crescent | 15.95% | π |
| Thursday, May 21, 2009 | Waning Crescent | 8.73% | π |
| Friday, May 22, 2009 | New Moon | 3.39% | π |
| Saturday, May 23, 2009 | New Moon | 0.45% | π |
| Sunday, May 24, 2009 | New Moon | 0.29% | π |
| Monday, May 25, 2009 | New Moon | 3.08% | π |
| Tuesday, May 26, 2009 | Waxing Crescent | 8.65% | π |
| Wednesday, May 27, 2009 | Waxing Crescent | 16.58% | π |
| Thursday, May 28, 2009 | Waxing Crescent | 26.26% | π |
| Friday, May 29, 2009 | First Quarter | 37% | π |
| Saturday, May 30, 2009 | First Quarter | 48.15% | π |
| Sunday, May 31, 2009 | First Quarter | 59.11% | π |