Moon Calendar for May, 2003
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Thursday, May 1, 2003 | New Moon | 0.04% | π |
| Friday, May 2, 2003 | New Moon | 0.57% | π |
| Saturday, May 3, 2003 | New Moon | 2.9% | π |
| Sunday, May 4, 2003 | Waxing Crescent | 6.96% | π |
| Monday, May 5, 2003 | Waxing Crescent | 12.64% | π |
| Tuesday, May 6, 2003 | Waxing Crescent | 19.82% | π |
| Wednesday, May 7, 2003 | Waxing Crescent | 28.3% | π |
| Thursday, May 8, 2003 | First Quarter | 37.84% | π |
| Friday, May 9, 2003 | First Quarter | 48.15% | π |
| Saturday, May 10, 2003 | First Quarter | 58.86% | π |
| Sunday, May 11, 2003 | Waxing Gibbous | 69.5% | π |
| Monday, May 12, 2003 | Waxing Gibbous | 79.49% | π |
| Tuesday, May 13, 2003 | Waxing Gibbous | 88.17% | π |
| Wednesday, May 14, 2003 | Waxing Gibbous | 94.85% | π |
| Thursday, May 15, 2003 | Full Moon | 98.91% | π |
| Friday, May 16, 2003 | Full Moon | 99.96% | π |
| Saturday, May 17, 2003 | Full Moon | 97.94% | π |
| Sunday, May 18, 2003 | Waning Gibbous | 93.13% | π |
| Monday, May 19, 2003 | Waning Gibbous | 86.02% | π |
| Tuesday, May 20, 2003 | Waning Gibbous | 77.27% | π |
| Wednesday, May 21, 2003 | Last Quarter | 67.51% | π |
| Thursday, May 22, 2003 | Last Quarter | 57.31% | π |
| Friday, May 23, 2003 | Last Quarter | 47.13% | π |
| Saturday, May 24, 2003 | Last Quarter | 37.33% | π |
| Sunday, May 25, 2003 | Waning Crescent | 28.21% | π |
| Monday, May 26, 2003 | Waning Crescent | 20.03% | π |
| Tuesday, May 27, 2003 | Waning Crescent | 12.99% | π |
| Wednesday, May 28, 2003 | Waning Crescent | 7.31% | π |
| Thursday, May 29, 2003 | New Moon | 3.16% | π |
| Friday, May 30, 2003 | New Moon | 0.69% | π |
| Saturday, May 31, 2003 | New Moon | 0.02% | π |