Moon Calendar for May, 2001
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Tuesday, May 1, 2001 | First Quarter | 60.57% | π |
| Wednesday, May 2, 2001 | Waxing Gibbous | 71.45% | π |
| Thursday, May 3, 2001 | Waxing Gibbous | 81.21% | π |
| Friday, May 4, 2001 | Waxing Gibbous | 89.3% | π |
| Saturday, May 5, 2001 | Waxing Gibbous | 95.29% | π |
| Sunday, May 6, 2001 | Full Moon | 98.88% | π |
| Monday, May 7, 2001 | Full Moon | 100% | π |
| Tuesday, May 8, 2001 | Full Moon | 98.73% | π |
| Wednesday, May 9, 2001 | Waning Gibbous | 95.3% | π |
| Thursday, May 10, 2001 | Waning Gibbous | 90.03% | π |
| Friday, May 11, 2001 | Waning Gibbous | 83.28% | π |
| Saturday, May 12, 2001 | Waning Gibbous | 75.39% | π |
| Sunday, May 13, 2001 | Last Quarter | 66.7% | π |
| Monday, May 14, 2001 | Last Quarter | 57.49% | π |
| Tuesday, May 15, 2001 | Last Quarter | 48.05% | π |
| Wednesday, May 16, 2001 | Last Quarter | 38.64% | π |
| Thursday, May 17, 2001 | Waning Crescent | 29.53% | π |
| Friday, May 18, 2001 | Waning Crescent | 21.03% | π |
| Saturday, May 19, 2001 | Waning Crescent | 13.47% | π |
| Sunday, May 20, 2001 | Waning Crescent | 7.24% | π |
| Monday, May 21, 2001 | New Moon | 2.72% | π |
| Tuesday, May 22, 2001 | New Moon | 0.31% | π |
| Wednesday, May 23, 2001 | New Moon | 0.32% | π |
| Thursday, May 24, 2001 | New Moon | 2.91% | π |
| Friday, May 25, 2001 | Waxing Crescent | 8.05% | π |
| Saturday, May 26, 2001 | Waxing Crescent | 15.5% | π |
| Sunday, May 27, 2001 | Waxing Crescent | 24.82% | π |
| Monday, May 28, 2001 | First Quarter | 35.44% | π |
| Tuesday, May 29, 2001 | First Quarter | 46.75% | π |
| Wednesday, May 30, 2001 | First Quarter | 58.13% | π |
| Thursday, May 31, 2001 | First Quarter | 68.99% | π |