Moon Calendar for May, 2003
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Thursday, May 1, 2003 | New Moon | 0.26% | π |
| Friday, May 2, 2003 | New Moon | 2.13% | π |
| Saturday, May 3, 2003 | Waxing Crescent | 5.76% | π |
| Sunday, May 4, 2003 | Waxing Crescent | 11.04% | π |
| Monday, May 5, 2003 | Waxing Crescent | 17.85% | π |
| Tuesday, May 6, 2003 | Waxing Crescent | 26.02% | π |
| Wednesday, May 7, 2003 | First Quarter | 35.31% | π |
| Thursday, May 8, 2003 | First Quarter | 45.46% | π |
| Friday, May 9, 2003 | First Quarter | 56.11% | π |
| Saturday, May 10, 2003 | First Quarter | 66.81% | π |
| Sunday, May 11, 2003 | Waxing Gibbous | 77.03% | π |
| Monday, May 12, 2003 | Waxing Gibbous | 86.12% | π |
| Tuesday, May 13, 2003 | Waxing Gibbous | 93.37% | π |
| Wednesday, May 14, 2003 | Full Moon | 98.14% | 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 | 94.6% | π |
| Sunday, May 18, 2003 | Waning Gibbous | 88.02% | π |
| Monday, May 19, 2003 | Waning Gibbous | 79.63% | π |
| Tuesday, May 20, 2003 | Waning Gibbous | 70.07% | π |
| Wednesday, May 21, 2003 | Last Quarter | 59.94% | π |
| Thursday, May 22, 2003 | Last Quarter | 49.71% | π |
| Friday, May 23, 2003 | Last Quarter | 39.79% | π |
| Saturday, May 24, 2003 | Waning Crescent | 30.47% | π |
| Sunday, May 25, 2003 | Waning Crescent | 22.02% | π |
| Monday, May 26, 2003 | Waning Crescent | 14.67% | π |
| Tuesday, May 27, 2003 | Waning Crescent | 8.62% | π |
| Wednesday, May 28, 2003 | Waning Crescent | 4.06% | π |
| Thursday, May 29, 2003 | New Moon | 1.15% | π |
| Friday, May 30, 2003 | New Moon | 0.01% | π |
| Saturday, May 31, 2003 | New Moon | 0.73% | π |