Moon Calendar for May, 2003
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Thursday, May 1, 2003 | New Moon | 0.02% | π |
| Friday, May 2, 2003 | New Moon | 1.19% | π |
| Saturday, May 3, 2003 | Waxing Crescent | 4.14% | π |
| Sunday, May 4, 2003 | Waxing Crescent | 8.79% | π |
| Monday, May 5, 2003 | Waxing Crescent | 15.02% | π |
| Tuesday, May 6, 2003 | Waxing Crescent | 22.68% | π |
| Wednesday, May 7, 2003 | First Quarter | 31.56% | π |
| Thursday, May 8, 2003 | First Quarter | 41.42% | π |
| Friday, May 9, 2003 | First Quarter | 51.91% | π |
| Saturday, May 10, 2003 | First Quarter | 62.66% | π |
| Sunday, May 11, 2003 | Waxing Gibbous | 73.14% | π |
| Monday, May 12, 2003 | Waxing Gibbous | 82.75% | π |
| Tuesday, May 13, 2003 | Waxing Gibbous | 90.8% | π |
| Wednesday, May 14, 2003 | Full Moon | 96.61% | π |
| Thursday, May 15, 2003 | Full Moon | 99.63% | π |
| Friday, May 16, 2003 | Full Moon | 99.59% | π |
| Saturday, May 17, 2003 | Full Moon | 96.54% | π |
| Sunday, May 18, 2003 | Waning Gibbous | 90.84% | π |
| Monday, May 19, 2003 | Waning Gibbous | 83.08% | π |
| Tuesday, May 20, 2003 | Waning Gibbous | 73.9% | π |
| Wednesday, May 21, 2003 | Last Quarter | 63.93% | π |
| Thursday, May 22, 2003 | Last Quarter | 53.69% | π |
| Friday, May 23, 2003 | Last Quarter | 43.61% | π |
| Saturday, May 24, 2003 | Last Quarter | 34.02% | π |
| Sunday, May 25, 2003 | Waning Crescent | 25.2% | π |
| Monday, May 26, 2003 | Waning Crescent | 17.4% | π |
| Tuesday, May 27, 2003 | Waning Crescent | 10.82% | π |
| Wednesday, May 28, 2003 | Waning Crescent | 5.66% | π |
| Thursday, May 29, 2003 | New Moon | 2.09% | π |
| Friday, May 30, 2003 | New Moon | 0.24% | π |
| Saturday, May 31, 2003 | New Moon | 0.22% | π |