Moon Calendar for May, 2003
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Wednesday, April 30, 2003 | New Moon | 0.19% | π |
| Thursday, May 1, 2003 | New Moon | 0.27% | π |
| Friday, May 2, 2003 | New Moon | 2.14% | π |
| Saturday, May 3, 2003 | Waxing Crescent | 5.77% | π |
| Sunday, May 4, 2003 | Waxing Crescent | 11.06% | π |
| Monday, May 5, 2003 | Waxing Crescent | 17.87% | π |
| Tuesday, May 6, 2003 | Waxing Crescent | 26.04% | π |
| Wednesday, May 7, 2003 | First Quarter | 35.34% | π |
| Thursday, May 8, 2003 | First Quarter | 45.49% | π |
| Friday, May 9, 2003 | First Quarter | 56.14% | π |
| Saturday, May 10, 2003 | First Quarter | 66.84% | π |
| Sunday, May 11, 2003 | Waxing Gibbous | 77.06% | π |
| Monday, May 12, 2003 | Waxing Gibbous | 86.14% | π |
| Tuesday, May 13, 2003 | Waxing Gibbous | 93.38% | π |
| Wednesday, May 14, 2003 | Full Moon | 98.15% | π |
| Thursday, May 15, 2003 | Full Moon | 99.99% | π |
| Friday, May 16, 2003 | Full Moon | 98.74% | π |
| Saturday, May 17, 2003 | Waning Gibbous | 94.58% | π |
| Sunday, May 18, 2003 | Waning Gibbous | 88% | π |
| Monday, May 19, 2003 | Waning Gibbous | 79.6% | π |
| Tuesday, May 20, 2003 | Waning Gibbous | 70.05% | π |
| Wednesday, May 21, 2003 | Last Quarter | 59.91% | π |
| Thursday, May 22, 2003 | Last Quarter | 49.69% | π |
| Friday, May 23, 2003 | Last Quarter | 39.76% | π |
| Saturday, May 24, 2003 | Waning Crescent | 30.44% | π |
| Sunday, May 25, 2003 | Waning Crescent | 22% | π |
| Monday, May 26, 2003 | Waning Crescent | 14.65% | π |
| Tuesday, May 27, 2003 | Waning Crescent | 8.61% | π |
| Wednesday, May 28, 2003 | Waning Crescent | 4.05% | π |
| Thursday, May 29, 2003 | New Moon | 1.15% | π |
| Friday, May 30, 2003 | New Moon | 0.01% | π |