Moon Calendar for May, 2009
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Friday, May 1, 2009 | First Quarter | 47.68% | π |
| Saturday, May 2, 2009 | First Quarter | 58.94% | π |
| Sunday, May 3, 2009 | Waxing Gibbous | 69.6% | π |
| Monday, May 4, 2009 | Waxing Gibbous | 79.16% | π |
| Tuesday, May 5, 2009 | Waxing Gibbous | 87.2% | π |
| Wednesday, May 6, 2009 | Waxing Gibbous | 93.42% | π |
| Thursday, May 7, 2009 | Full Moon | 97.63% | π |
| Friday, May 8, 2009 | Full Moon | 99.73% | π |
| Saturday, May 9, 2009 | Full Moon | 99.76% | π |
| Sunday, May 10, 2009 | Full Moon | 97.81% | π |
| Monday, May 11, 2009 | Waning Gibbous | 94.07% | π |
| Tuesday, May 12, 2009 | Waning Gibbous | 88.73% | π |
| Wednesday, May 13, 2009 | Waning Gibbous | 82.03% | π |
| Thursday, May 14, 2009 | Waning Gibbous | 74.22% | π |
| Friday, May 15, 2009 | Last Quarter | 65.54% | π |
| Saturday, May 16, 2009 | Last Quarter | 56.23% | π |
| Sunday, May 17, 2009 | Last Quarter | 46.56% | π |
| Monday, May 18, 2009 | Last Quarter | 36.8% | π |
| Tuesday, May 19, 2009 | Waning Crescent | 27.3% | π |
| Wednesday, May 20, 2009 | Waning Crescent | 18.46% | π |
| Thursday, May 21, 2009 | Waning Crescent | 10.78% | π |
| Friday, May 22, 2009 | Waning Crescent | 4.8% | π |
| Saturday, May 23, 2009 | New Moon | 1.07% | π |
| Sunday, May 24, 2009 | New Moon | 0.03% | π |
| Monday, May 25, 2009 | New Moon | 1.91% | π |
| Tuesday, May 26, 2009 | Waxing Crescent | 6.66% | π |
| Wednesday, May 27, 2009 | Waxing Crescent | 13.92% | π |
| Thursday, May 28, 2009 | Waxing Crescent | 23.14% | π |
| Friday, May 29, 2009 | First Quarter | 33.63% | π |
| Saturday, May 30, 2009 | First Quarter | 44.71% | π |
| Sunday, May 31, 2009 | First Quarter | 55.79% | π |