Moon Calendar for May, 2019
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Wednesday, May 1, 2019 | Waning Crescent | 10.14% | π |
| Thursday, May 2, 2019 | Waning Crescent | 4.98% | π |
| Friday, May 3, 2019 | New Moon | 1.52% | π |
| Saturday, May 4, 2019 | New Moon | 0.04% | π |
| Sunday, May 5, 2019 | New Moon | 0.73% | π |
| Monday, May 6, 2019 | New Moon | 3.69% | π |
| Tuesday, May 7, 2019 | Waxing Crescent | 8.92% | π |
| Wednesday, May 8, 2019 | Waxing Crescent | 16.22% | π |
| Thursday, May 9, 2019 | Waxing Crescent | 25.3% | π |
| Friday, May 10, 2019 | First Quarter | 35.7% | π |
| Saturday, May 11, 2019 | First Quarter | 46.91% | π |
| Sunday, May 12, 2019 | First Quarter | 58.35% | π |
| Monday, May 13, 2019 | Waxing Gibbous | 69.4% | π |
| Tuesday, May 14, 2019 | Waxing Gibbous | 79.46% | π |
| Wednesday, May 15, 2019 | Waxing Gibbous | 87.94% | π |
| Thursday, May 16, 2019 | Waxing Gibbous | 94.37% | π |
| Friday, May 17, 2019 | Full Moon | 98.43% | π |
| Saturday, May 18, 2019 | Full Moon | 99.98% | π |
| Sunday, May 19, 2019 | Full Moon | 99.08% | π |
| Monday, May 20, 2019 | Waning Gibbous | 95.94% | π |
| Tuesday, May 21, 2019 | Waning Gibbous | 90.89% | π |
| Wednesday, May 22, 2019 | Waning Gibbous | 84.28% | π |
| Thursday, May 23, 2019 | Waning Gibbous | 76.49% | π |
| Friday, May 24, 2019 | Last Quarter | 67.85% | π |
| Saturday, May 25, 2019 | Last Quarter | 58.68% | π |
| Sunday, May 26, 2019 | Last Quarter | 49.24% | π |
| Monday, May 27, 2019 | Last Quarter | 39.82% | π |
| Tuesday, May 28, 2019 | Waning Crescent | 30.68% | π |
| Wednesday, May 29, 2019 | Waning Crescent | 22.12% | π |
| Thursday, May 30, 2019 | Waning Crescent | 14.45% | π |
| Friday, May 31, 2019 | Waning Crescent | 8.04% | π |