Moon Calendar for May, 2003
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Thursday, May 1, 2003 | New Moon | 0.02% | π |
| Friday, May 2, 2003 | New Moon | 0.68% | π |
| Saturday, May 3, 2003 | New Moon | 3.12% | π |
| Sunday, May 4, 2003 | Waxing Crescent | 7.3% | π |
| Monday, May 5, 2003 | Waxing Crescent | 13.09% | π |
| Tuesday, May 6, 2003 | Waxing Crescent | 20.37% | π |
| Wednesday, May 7, 2003 | Waxing Crescent | 28.92% | π |
| Thursday, May 8, 2003 | First Quarter | 38.53% | π |
| Friday, May 9, 2003 | First Quarter | 48.88% | π |
| Saturday, May 10, 2003 | First Quarter | 59.6% | π |
| Sunday, May 11, 2003 | Waxing Gibbous | 70.21% | π |
| Monday, May 12, 2003 | Waxing Gibbous | 80.14% | π |
| Tuesday, May 13, 2003 | Waxing Gibbous | 88.7% | π |
| Wednesday, May 14, 2003 | Waxing Gibbous | 95.22% | π |
| Thursday, May 15, 2003 | Full Moon | 99.08% | π |
| Friday, May 16, 2003 | Full Moon | 99.92% | π |
| Saturday, May 17, 2003 | Full Moon | 97.7% | π |
| Sunday, May 18, 2003 | Waning Gibbous | 92.7% | π |
| Monday, May 19, 2003 | Waning Gibbous | 85.46% | π |
| Tuesday, May 20, 2003 | Waning Gibbous | 76.62% | π |
| Wednesday, May 21, 2003 | Last Quarter | 66.82% | π |
| Thursday, May 22, 2003 | Last Quarter | 56.61% | π |
| Friday, May 23, 2003 | Last Quarter | 46.44% | π |
| Saturday, May 24, 2003 | Last Quarter | 36.68% | π |
| Sunday, May 25, 2003 | Waning Crescent | 27.62% | π |
| Monday, May 26, 2003 | Waning Crescent | 19.5% | π |
| Tuesday, May 27, 2003 | Waning Crescent | 12.55% | π |
| Wednesday, May 28, 2003 | Waning Crescent | 6.97% | π |
| Thursday, May 29, 2003 | New Moon | 2.93% | π |
| Friday, May 30, 2003 | New Moon | 0.58% | π |
| Saturday, May 31, 2003 | New Moon | 0.04% | π |