Moon Calendar for May, 2003
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Thursday, May 1, 2003 | New Moon | 0.13% | π |
| Friday, May 2, 2003 | New Moon | 1.72% | π |
| Saturday, May 3, 2003 | Waxing Crescent | 5.07% | π |
| Sunday, May 4, 2003 | Waxing Crescent | 10.1% | π |
| Monday, May 5, 2003 | Waxing Crescent | 16.68% | π |
| Tuesday, May 6, 2003 | Waxing Crescent | 24.64% | π |
| Wednesday, May 7, 2003 | First Quarter | 33.77% | π |
| Thursday, May 8, 2003 | First Quarter | 43.8% | π |
| Friday, May 9, 2003 | First Quarter | 54.4% | π |
| Saturday, May 10, 2003 | First Quarter | 65.13% | π |
| Sunday, May 11, 2003 | Waxing Gibbous | 75.47% | π |
| Monday, May 12, 2003 | Waxing Gibbous | 84.78% | π |
| Tuesday, May 13, 2003 | Waxing Gibbous | 92.37% | π |
| Wednesday, May 14, 2003 | Full Moon | 97.57% | π |
| Thursday, May 15, 2003 | Full Moon | 99.9% | π |
| Friday, May 16, 2003 | Full Moon | 99.14% | π |
| Saturday, May 17, 2003 | Waning Gibbous | 95.43% | π |
| Sunday, May 18, 2003 | Waning Gibbous | 89.2% | π |
| Monday, May 19, 2003 | Waning Gibbous | 81.05% | π |
| Tuesday, May 20, 2003 | Waning Gibbous | 71.64% | π |
| Wednesday, May 21, 2003 | Last Quarter | 61.56% | π |
| Thursday, May 22, 2003 | Last Quarter | 51.33% | π |
| Friday, May 23, 2003 | Last Quarter | 41.33% | π |
| Saturday, May 24, 2003 | Last Quarter | 31.9% | π |
| Sunday, May 25, 2003 | Waning Crescent | 23.29% | π |
| Monday, May 26, 2003 | Waning Crescent | 15.75% | π |
| Tuesday, May 27, 2003 | Waning Crescent | 9.49% | π |
| Wednesday, May 28, 2003 | Waning Crescent | 4.68% | π |
| Thursday, May 29, 2003 | New Moon | 1.5% | π |
| Friday, May 30, 2003 | New Moon | 0.07% | π |
| Saturday, May 31, 2003 | New Moon | 0.49% | π |