Moon Calendar for May, 2019
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Wednesday, May 1, 2019 | Waning Crescent | 11.1% | π |
| Thursday, May 2, 2019 | Waning Crescent | 5.69% | π |
| Friday, May 3, 2019 | New Moon | 1.95% | π |
| Saturday, May 4, 2019 | New Moon | 0.14% | π |
| Sunday, May 5, 2019 | New Moon | 0.47% | π |
| Monday, May 6, 2019 | New Moon | 3.07% | π |
| Tuesday, May 7, 2019 | Waxing Crescent | 7.94% | π |
| Wednesday, May 8, 2019 | Waxing Crescent | 14.93% | π |
| Thursday, May 9, 2019 | Waxing Crescent | 23.75% | π |
| Friday, May 10, 2019 | First Quarter | 33.98% | π |
| Saturday, May 11, 2019 | First Quarter | 45.1% | π |
| Sunday, May 12, 2019 | First Quarter | 56.54% | π |
| Monday, May 13, 2019 | First Quarter | 67.69% | π |
| Tuesday, May 14, 2019 | Waxing Gibbous | 77.95% | π |
| Wednesday, May 15, 2019 | Waxing Gibbous | 86.72% | π |
| Thursday, May 16, 2019 | Waxing Gibbous | 93.5% | π |
| Friday, May 17, 2019 | Full Moon | 97.95% | π |
| Saturday, May 18, 2019 | Full Moon | 99.9% | π |
| Sunday, May 19, 2019 | Full Moon | 99.38% | π |
| Monday, May 20, 2019 | Full Moon | 96.58% | π |
| Tuesday, May 21, 2019 | Waning Gibbous | 91.8% | π |
| Wednesday, May 22, 2019 | Waning Gibbous | 85.42% | π |
| Thursday, May 23, 2019 | Waning Gibbous | 77.8% | π |
| Friday, May 24, 2019 | Waning Gibbous | 69.27% | π |
| Saturday, May 25, 2019 | Last Quarter | 60.16% | π |
| Sunday, May 26, 2019 | Last Quarter | 50.75% | π |
| Monday, May 27, 2019 | Last Quarter | 41.31% | π |
| Tuesday, May 28, 2019 | Last Quarter | 32.11% | π |
| Wednesday, May 29, 2019 | Waning Crescent | 23.43% | π |
| Thursday, May 30, 2019 | Waning Crescent | 15.59% | π |
| Friday, May 31, 2019 | Waning Crescent | 8.96% | π |