Moon Calendar for May, 2001
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Tuesday, May 1, 2001 | First Quarter | 60.49% | π |
| Wednesday, May 2, 2001 | Waxing Gibbous | 71.38% | π |
| Thursday, May 3, 2001 | Waxing Gibbous | 81.15% | π |
| Friday, May 4, 2001 | Waxing Gibbous | 89.25% | π |
| Saturday, May 5, 2001 | Waxing Gibbous | 95.25% | π |
| Sunday, May 6, 2001 | Full Moon | 98.86% | π |
| Monday, May 7, 2001 | Full Moon | 100% | π |
| Tuesday, May 8, 2001 | Full Moon | 98.74% | π |
| Wednesday, May 9, 2001 | Waning Gibbous | 95.33% | π |
| Thursday, May 10, 2001 | Waning Gibbous | 90.07% | π |
| Friday, May 11, 2001 | Waning Gibbous | 83.33% | π |
| Saturday, May 12, 2001 | Waning Gibbous | 75.45% | π |
| Sunday, May 13, 2001 | Last Quarter | 66.76% | π |
| Monday, May 14, 2001 | Last Quarter | 57.56% | π |
| Tuesday, May 15, 2001 | Last Quarter | 48.12% | π |
| Wednesday, May 16, 2001 | Last Quarter | 38.7% | π |
| Thursday, May 17, 2001 | Waning Crescent | 29.59% | π |
| Friday, May 18, 2001 | Waning Crescent | 21.09% | π |
| Saturday, May 19, 2001 | Waning Crescent | 13.52% | π |
| Sunday, May 20, 2001 | Waning Crescent | 7.27% | π |
| Monday, May 21, 2001 | New Moon | 2.75% | π |
| Tuesday, May 22, 2001 | New Moon | 0.32% | π |
| Wednesday, May 23, 2001 | New Moon | 0.31% | π |
| Thursday, May 24, 2001 | New Moon | 2.88% | π |
| Friday, May 25, 2001 | Waxing Crescent | 8.01% | π |
| Saturday, May 26, 2001 | Waxing Crescent | 15.44% | π |
| Sunday, May 27, 2001 | Waxing Crescent | 24.75% | π |
| Monday, May 28, 2001 | First Quarter | 35.37% | π |
| Tuesday, May 29, 2001 | First Quarter | 46.68% | π |
| Wednesday, May 30, 2001 | First Quarter | 58.06% | π |
| Thursday, May 31, 2001 | First Quarter | 68.92% | π |