Moon Calendar for May, 2003
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Thursday, May 1, 2003 | New Moon | 0.18% | π |
| Friday, May 2, 2003 | New Moon | 1.87% | π |
| Saturday, May 3, 2003 | Waxing Crescent | 5.33% | π |
| Sunday, May 4, 2003 | Waxing Crescent | 10.45% | π |
| Monday, May 5, 2003 | Waxing Crescent | 17.12% | π |
| Tuesday, May 6, 2003 | Waxing Crescent | 25.16% | π |
| Wednesday, May 7, 2003 | First Quarter | 34.36% | π |
| Thursday, May 8, 2003 | First Quarter | 44.43% | π |
| Friday, May 9, 2003 | First Quarter | 55.05% | π |
| Saturday, May 10, 2003 | First Quarter | 65.77% | π |
| Sunday, May 11, 2003 | Waxing Gibbous | 76.07% | π |
| Monday, May 12, 2003 | Waxing Gibbous | 85.29% | π |
| Tuesday, May 13, 2003 | Waxing Gibbous | 92.75% | π |
| Wednesday, May 14, 2003 | Full Moon | 97.8% | π |
| Thursday, May 15, 2003 | Full Moon | 99.94% | π |
| Friday, May 16, 2003 | Full Moon | 99% | π |
| Saturday, May 17, 2003 | Waning Gibbous | 95.12% | π |
| Sunday, May 18, 2003 | Waning Gibbous | 88.76% | π |
| Monday, May 19, 2003 | Waning Gibbous | 80.52% | π |
| Tuesday, May 20, 2003 | Waning Gibbous | 71.05% | π |
| Wednesday, May 21, 2003 | Last Quarter | 60.95% | π |
| Thursday, May 22, 2003 | Last Quarter | 50.71% | π |
| Friday, May 23, 2003 | Last Quarter | 40.74% | π |
| Saturday, May 24, 2003 | Last Quarter | 31.35% | π |
| Sunday, May 25, 2003 | Waning Crescent | 22.8% | π |
| Monday, May 26, 2003 | Waning Crescent | 15.34% | π |
| Tuesday, May 27, 2003 | Waning Crescent | 9.15% | π |
| Wednesday, May 28, 2003 | Waning Crescent | 4.44% | π |
| Thursday, May 29, 2003 | New Moon | 1.36% | π |
| Friday, May 30, 2003 | New Moon | 0.04% | π |
| Saturday, May 31, 2003 | New Moon | 0.57% | π |