Moon Calendar for May, 2001
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Tuesday, May 1, 2001 | First Quarter | 62.85% | π |
| Wednesday, May 2, 2001 | Waxing Gibbous | 73.55% | π |
| Thursday, May 3, 2001 | Waxing Gibbous | 83.01% | π |
| Friday, May 4, 2001 | Waxing Gibbous | 90.71% | π |
| Saturday, May 5, 2001 | Full Moon | 96.22% | π |
| Sunday, May 6, 2001 | Full Moon | 99.31% | π |
| Monday, May 7, 2001 | Full Moon | 99.93% | π |
| Tuesday, May 8, 2001 | Full Moon | 98.19% | π |
| Wednesday, May 9, 2001 | Waning Gibbous | 94.36% | π |
| Thursday, May 10, 2001 | Waning Gibbous | 88.76% | π |
| Friday, May 11, 2001 | Waning Gibbous | 81.75% | π |
| Saturday, May 12, 2001 | Waning Gibbous | 73.68% | π |
| Sunday, May 13, 2001 | Last Quarter | 64.85% | π |
| Monday, May 14, 2001 | Last Quarter | 55.58% | π |
| Tuesday, May 15, 2001 | Last Quarter | 46.12% | π |
| Wednesday, May 16, 2001 | Last Quarter | 36.75% | π |
| Thursday, May 17, 2001 | Waning Crescent | 27.74% | π |
| Friday, May 18, 2001 | Waning Crescent | 19.4% | π |
| Saturday, May 19, 2001 | Waning Crescent | 12.08% | π |
| Sunday, May 20, 2001 | Waning Crescent | 6.16% | π |
| Monday, May 21, 2001 | New Moon | 2.05% | π |
| Tuesday, May 22, 2001 | New Moon | 0.11% | π |
| Wednesday, May 23, 2001 | New Moon | 0.64% | π |
| Thursday, May 24, 2001 | New Moon | 3.76% | π |
| Friday, May 25, 2001 | Waxing Crescent | 9.4% | π |
| Saturday, May 26, 2001 | Waxing Crescent | 17.26% | π |
| Sunday, May 27, 2001 | Waxing Crescent | 26.9% | π |
| Monday, May 28, 2001 | First Quarter | 37.71% | π |
| Tuesday, May 29, 2001 | First Quarter | 49.09% | π |
| Wednesday, May 30, 2001 | First Quarter | 60.41% | π |
| Thursday, May 31, 2001 | Waxing Gibbous | 71.09% | π |