Moon Calendar for May, 2019
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Wednesday, May 1, 2019 | Waning Crescent | 8.4% | π |
| Thursday, May 2, 2019 | New Moon | 3.73% | π |
| Friday, May 3, 2019 | New Moon | 0.85% | π |
| Saturday, May 4, 2019 | New Moon | 0.01% | π |
| Sunday, May 5, 2019 | New Moon | 1.39% | π |
| Monday, May 6, 2019 | Waxing Crescent | 5.05% | π |
| Tuesday, May 7, 2019 | Waxing Crescent | 10.94% | π |
| Wednesday, May 8, 2019 | Waxing Crescent | 18.82% | π |
| Thursday, May 9, 2019 | Waxing Crescent | 28.35% | π |
| Friday, May 10, 2019 | First Quarter | 39.06% | π |
| Saturday, May 11, 2019 | First Quarter | 50.41% | π |
| Sunday, May 12, 2019 | First Quarter | 61.79% | π |
| Monday, May 13, 2019 | Waxing Gibbous | 72.6% | π |
| Tuesday, May 14, 2019 | Waxing Gibbous | 82.24% | π |
| Wednesday, May 15, 2019 | Waxing Gibbous | 90.14% | π |
| Thursday, May 16, 2019 | Waxing Gibbous | 95.88% | π |
| Friday, May 17, 2019 | Full Moon | 99.17% | π |
| Saturday, May 18, 2019 | Full Moon | 99.96% | π |
| Sunday, May 19, 2019 | Full Moon | 98.34% | π |
| Monday, May 20, 2019 | Waning Gibbous | 94.58% | π |
| Tuesday, May 21, 2019 | Waning Gibbous | 89.02% | π |
| Wednesday, May 22, 2019 | Waning Gibbous | 82.01% | π |
| Thursday, May 23, 2019 | Waning Gibbous | 73.93% | π |
| Friday, May 24, 2019 | Last Quarter | 65.1% | π |
| Saturday, May 25, 2019 | Last Quarter | 55.81% | π |
| Sunday, May 26, 2019 | Last Quarter | 46.35% | π |
| Monday, May 27, 2019 | Last Quarter | 36.99% | π |
| Tuesday, May 28, 2019 | Waning Crescent | 27.99% | π |
| Wednesday, May 29, 2019 | Waning Crescent | 19.66% | π |
| Thursday, May 30, 2019 | Waning Crescent | 12.34% | π |
| Friday, May 31, 2019 | Waning Crescent | 6.39% | π |