Moon Calendar for May, 2003
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Thursday, May 1, 2003 | New Moon | 0.22% | π |
| Friday, May 2, 2003 | New Moon | 2% | π |
| Saturday, May 3, 2003 | Waxing Crescent | 5.54% | π |
| Sunday, May 4, 2003 | Waxing Crescent | 10.75% | π |
| Monday, May 5, 2003 | Waxing Crescent | 17.49% | π |
| Tuesday, May 6, 2003 | Waxing Crescent | 25.59% | π |
| Wednesday, May 7, 2003 | First Quarter | 34.84% | π |
| Thursday, May 8, 2003 | First Quarter | 44.95% | π |
| Friday, May 9, 2003 | First Quarter | 55.58% | π |
| Saturday, May 10, 2003 | First Quarter | 66.29% | π |
| Sunday, May 11, 2003 | Waxing Gibbous | 76.55% | π |
| Monday, May 12, 2003 | Waxing Gibbous | 85.71% | π |
| Tuesday, May 13, 2003 | Waxing Gibbous | 93.06% | π |
| Wednesday, May 14, 2003 | Full Moon | 97.97% | π |
| Thursday, May 15, 2003 | Full Moon | 99.97% | π |
| Friday, May 16, 2003 | Full Moon | 98.87% | π |
| Saturday, May 17, 2003 | Waning Gibbous | 94.86% | π |
| Sunday, May 18, 2003 | Waning Gibbous | 88.39% | π |
| Monday, May 19, 2003 | Waning Gibbous | 80.07% | π |
| Tuesday, May 20, 2003 | Waning Gibbous | 70.56% | π |
| Wednesday, May 21, 2003 | Last Quarter | 60.44% | π |
| Thursday, May 22, 2003 | Last Quarter | 50.21% | π |
| Friday, May 23, 2003 | Last Quarter | 40.26% | π |
| Saturday, May 24, 2003 | Last Quarter | 30.91% | π |
| Sunday, May 25, 2003 | Waning Crescent | 22.41% | π |
| Monday, May 26, 2003 | Waning Crescent | 15% | π |
| Tuesday, May 27, 2003 | Waning Crescent | 8.89% | π |
| Wednesday, May 28, 2003 | Waning Crescent | 4.25% | π |
| Thursday, May 29, 2003 | New Moon | 1.25% | π |
| Friday, May 30, 2003 | New Moon | 0.03% | π |
| Saturday, May 31, 2003 | New Moon | 0.65% | π |