Moon Calendar for May, 2009
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Friday, May 1, 2009 | First Quarter | 48.26% | π |
| Saturday, May 2, 2009 | First Quarter | 59.5% | π |
| Sunday, May 3, 2009 | Waxing Gibbous | 70.12% | π |
| Monday, May 4, 2009 | Waxing Gibbous | 79.6% | π |
| Tuesday, May 5, 2009 | Waxing Gibbous | 87.56% | π |
| Wednesday, May 6, 2009 | Waxing Gibbous | 93.69% | π |
| Thursday, May 7, 2009 | Full Moon | 97.78% | π |
| Friday, May 8, 2009 | Full Moon | 99.78% | π |
| Saturday, May 9, 2009 | Full Moon | 99.71% | π |
| Sunday, May 10, 2009 | Full Moon | 97.66% | π |
| Monday, May 11, 2009 | Waning Gibbous | 93.83% | π |
| Tuesday, May 12, 2009 | Waning Gibbous | 88.42% | π |
| Wednesday, May 13, 2009 | Waning Gibbous | 81.66% | π |
| Thursday, May 14, 2009 | Waning Gibbous | 73.8% | π |
| Friday, May 15, 2009 | Last Quarter | 65.08% | π |
| Saturday, May 16, 2009 | Last Quarter | 55.75% | π |
| Sunday, May 17, 2009 | Last Quarter | 46.06% | π |
| Monday, May 18, 2009 | Last Quarter | 36.31% | π |
| Tuesday, May 19, 2009 | Waning Crescent | 26.83% | π |
| Wednesday, May 20, 2009 | Waning Crescent | 18.04% | π |
| Thursday, May 21, 2009 | Waning Crescent | 10.43% | π |
| Friday, May 22, 2009 | Waning Crescent | 4.55% | π |
| Saturday, May 23, 2009 | New Moon | 0.95% | π |
| Sunday, May 24, 2009 | New Moon | 0.05% | π |
| Monday, May 25, 2009 | New Moon | 2.09% | π |
| Tuesday, May 26, 2009 | Waxing Crescent | 6.97% | π |
| Wednesday, May 27, 2009 | Waxing Crescent | 14.35% | π |
| Thursday, May 28, 2009 | Waxing Crescent | 23.64% | π |
| Friday, May 29, 2009 | First Quarter | 34.18% | π |
| Saturday, May 30, 2009 | First Quarter | 45.28% | π |
| Sunday, May 31, 2009 | First Quarter | 56.34% | π |