Moon Calendar for May, 2003
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Thursday, May 1, 2003 | New Moon | 0.14% | π |
| Friday, May 2, 2003 | New Moon | 1.76% | π |
| Saturday, May 3, 2003 | Waxing Crescent | 5.13% | π |
| Sunday, May 4, 2003 | Waxing Crescent | 10.18% | π |
| Monday, May 5, 2003 | Waxing Crescent | 16.79% | π |
| Tuesday, May 6, 2003 | Waxing Crescent | 24.77% | π |
| Wednesday, May 7, 2003 | First Quarter | 33.92% | π |
| Thursday, May 8, 2003 | First Quarter | 43.96% | π |
| Friday, May 9, 2003 | First Quarter | 54.56% | π |
| Saturday, May 10, 2003 | First Quarter | 65.29% | π |
| Sunday, May 11, 2003 | Waxing Gibbous | 75.62% | π |
| Monday, May 12, 2003 | Waxing Gibbous | 84.91% | π |
| Tuesday, May 13, 2003 | Waxing Gibbous | 92.46% | π |
| Wednesday, May 14, 2003 | Full Moon | 97.63% | π |
| Thursday, May 15, 2003 | Full Moon | 99.91% | π |
| Friday, May 16, 2003 | Full Moon | 99.11% | π |
| Saturday, May 17, 2003 | Waning Gibbous | 95.36% | π |
| Sunday, May 18, 2003 | Waning Gibbous | 89.09% | π |
| Monday, May 19, 2003 | Waning Gibbous | 80.92% | π |
| Tuesday, May 20, 2003 | Waning Gibbous | 71.49% | π |
| Wednesday, May 21, 2003 | Last Quarter | 61.41% | π |
| Thursday, May 22, 2003 | Last Quarter | 51.17% | π |
| Friday, May 23, 2003 | Last Quarter | 41.18% | π |
| Saturday, May 24, 2003 | Last Quarter | 31.76% | π |
| Sunday, May 25, 2003 | Waning Crescent | 23.17% | π |
| Monday, May 26, 2003 | Waning Crescent | 15.65% | π |
| Tuesday, May 27, 2003 | Waning Crescent | 9.4% | π |
| Wednesday, May 28, 2003 | Waning Crescent | 4.62% | π |
| Thursday, May 29, 2003 | New Moon | 1.46% | π |
| Friday, May 30, 2003 | New Moon | 0.06% | π |
| Saturday, May 31, 2003 | New Moon | 0.51% | π |