Moon Calendar for May, 2019
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Wednesday, May 1, 2019 | Waning Crescent | 9.96% | π |
| Thursday, May 2, 2019 | Waning Crescent | 4.85% | π |
| Friday, May 3, 2019 | New Moon | 1.45% | π |
| Saturday, May 4, 2019 | New Moon | 0.03% | π |
| Sunday, May 5, 2019 | New Moon | 0.79% | π |
| Monday, May 6, 2019 | Waxing Crescent | 3.82% | π |
| Tuesday, May 7, 2019 | Waxing Crescent | 9.11% | π |
| Wednesday, May 8, 2019 | Waxing Crescent | 16.47% | π |
| Thursday, May 9, 2019 | Waxing Crescent | 25.59% | π |
| Friday, May 10, 2019 | First Quarter | 36.03% | π |
| Saturday, May 11, 2019 | First Quarter | 47.26% | π |
| Sunday, May 12, 2019 | First Quarter | 58.69% | π |
| Monday, May 13, 2019 | Waxing Gibbous | 69.72% | π |
| Tuesday, May 14, 2019 | Waxing Gibbous | 79.74% | π |
| Wednesday, May 15, 2019 | Waxing Gibbous | 88.17% | π |
| Thursday, May 16, 2019 | Waxing Gibbous | 94.53% | π |
| Friday, May 17, 2019 | Full Moon | 98.52% | π |
| Saturday, May 18, 2019 | Full Moon | 99.99% | π |
| Sunday, May 19, 2019 | Full Moon | 99.01% | π |
| Monday, May 20, 2019 | Waning Gibbous | 95.81% | π |
| Tuesday, May 21, 2019 | Waning Gibbous | 90.71% | π |
| Wednesday, May 22, 2019 | Waning Gibbous | 84.06% | π |
| Thursday, May 23, 2019 | Waning Gibbous | 76.24% | π |
| Friday, May 24, 2019 | Last Quarter | 67.58% | π |
| Saturday, May 25, 2019 | Last Quarter | 58.39% | π |
| Sunday, May 26, 2019 | Last Quarter | 48.96% | π |
| Monday, May 27, 2019 | Last Quarter | 39.54% | π |
| Tuesday, May 28, 2019 | Waning Crescent | 30.41% | π |
| Wednesday, May 29, 2019 | Waning Crescent | 21.87% | π |
| Thursday, May 30, 2019 | Waning Crescent | 14.23% | π |
| Friday, May 31, 2019 | Waning Crescent | 7.87% | π |