Moon Calendar for May, 2003
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Thursday, May 1, 2003 | New Moon | 0% | π |
| Friday, May 2, 2003 | New Moon | 0.98% | π |
| Saturday, May 3, 2003 | New Moon | 3.74% | π |
| Sunday, May 4, 2003 | Waxing Crescent | 8.22% | π |
| Monday, May 5, 2003 | Waxing Crescent | 14.29% | π |
| Tuesday, May 6, 2003 | Waxing Crescent | 21.81% | π |
| Wednesday, May 7, 2003 | Waxing Crescent | 30.57% | π |
| Thursday, May 8, 2003 | First Quarter | 40.33% | π |
| Friday, May 9, 2003 | First Quarter | 50.78% | π |
| Saturday, May 10, 2003 | First Quarter | 61.52% | π |
| Sunday, May 11, 2003 | Waxing Gibbous | 72.06% | π |
| Monday, May 12, 2003 | Waxing Gibbous | 81.79% | π |
| Tuesday, May 13, 2003 | Waxing Gibbous | 90.04% | π |
| Wednesday, May 14, 2003 | Waxing Gibbous | 96.12% | π |
| Thursday, May 15, 2003 | Full Moon | 99.45% | π |
| Friday, May 16, 2003 | Full Moon | 99.74% | π |
| Saturday, May 17, 2003 | Full Moon | 97% | π |
| Sunday, May 18, 2003 | Waning Gibbous | 91.55% | π |
| Monday, May 19, 2003 | Waning Gibbous | 83.98% | π |
| Tuesday, May 20, 2003 | Waning Gibbous | 74.92% | π |
| Wednesday, May 21, 2003 | Last Quarter | 65.01% | π |
| Thursday, May 22, 2003 | Last Quarter | 54.78% | π |
| Friday, May 23, 2003 | Last Quarter | 44.66% | π |
| Saturday, May 24, 2003 | Last Quarter | 35% | π |
| Sunday, May 25, 2003 | Waning Crescent | 26.09% | π |
| Monday, May 26, 2003 | Waning Crescent | 18.17% | π |
| Tuesday, May 27, 2003 | Waning Crescent | 11.45% | π |
| Wednesday, May 28, 2003 | Waning Crescent | 6.13% | π |
| Thursday, May 29, 2003 | New Moon | 2.38% | π |
| Friday, May 30, 2003 | New Moon | 0.35% | π |
| Saturday, May 31, 2003 | New Moon | 0.14% | π |