Moon Calendar for May, 2003
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Thursday, May 1, 2003 | New Moon | 0.01% | π |
| Friday, May 2, 2003 | New Moon | 1.08% | π |
| Saturday, May 3, 2003 | Waxing Crescent | 3.92% | π |
| Sunday, May 4, 2003 | Waxing Crescent | 8.47% | π |
| Monday, May 5, 2003 | Waxing Crescent | 14.62% | π |
| Tuesday, May 6, 2003 | Waxing Crescent | 22.2% | π |
| Wednesday, May 7, 2003 | First Quarter | 31.02% | π |
| Thursday, May 8, 2003 | First Quarter | 40.82% | π |
| Friday, May 9, 2003 | First Quarter | 51.29% | π |
| Saturday, May 10, 2003 | First Quarter | 62.04% | π |
| Sunday, May 11, 2003 | Waxing Gibbous | 72.55% | π |
| Monday, May 12, 2003 | Waxing Gibbous | 82.23% | π |
| Tuesday, May 13, 2003 | Waxing Gibbous | 90.38% | π |
| Wednesday, May 14, 2003 | Full Moon | 96.34% | π |
| Thursday, May 15, 2003 | Full Moon | 99.54% | π |
| Friday, May 16, 2003 | Full Moon | 99.68% | π |
| Saturday, May 17, 2003 | Full Moon | 96.79% | π |
| Sunday, May 18, 2003 | Waning Gibbous | 91.23% | π |
| Monday, May 19, 2003 | Waning Gibbous | 83.57% | π |
| Tuesday, May 20, 2003 | Waning Gibbous | 74.46% | π |
| Wednesday, May 21, 2003 | Last Quarter | 64.52% | π |
| Thursday, May 22, 2003 | Last Quarter | 54.28% | π |
| Friday, May 23, 2003 | Last Quarter | 44.18% | π |
| Saturday, May 24, 2003 | Last Quarter | 34.55% | π |
| Sunday, May 25, 2003 | Waning Crescent | 25.69% | π |
| Monday, May 26, 2003 | Waning Crescent | 17.82% | π |
| Tuesday, May 27, 2003 | Waning Crescent | 11.16% | π |
| Wednesday, May 28, 2003 | Waning Crescent | 5.91% | π |
| Thursday, May 29, 2003 | New Moon | 2.25% | π |
| Friday, May 30, 2003 | New Moon | 0.3% | π |
| Saturday, May 31, 2003 | New Moon | 0.17% | π |