Moon Calendar for May, 2019
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Wednesday, May 1, 2019 | Waning Crescent | 8.82% | π |
| Thursday, May 2, 2019 | Waning Crescent | 4.03% | π |
| Friday, May 3, 2019 | New Moon | 1% | π |
| Saturday, May 4, 2019 | New Moon | 0% | π |
| Sunday, May 5, 2019 | New Moon | 1.2% | π |
| Monday, May 6, 2019 | Waxing Crescent | 4.69% | π |
| Tuesday, May 7, 2019 | Waxing Crescent | 10.41% | π |
| Wednesday, May 8, 2019 | Waxing Crescent | 18.15% | π |
| Thursday, May 9, 2019 | Waxing Crescent | 27.57% | π |
| Friday, May 10, 2019 | First Quarter | 38.21% | π |
| Saturday, May 11, 2019 | First Quarter | 49.53% | π |
| Sunday, May 12, 2019 | First Quarter | 60.93% | π |
| Monday, May 13, 2019 | Waxing Gibbous | 71.81% | π |
| Tuesday, May 14, 2019 | Waxing Gibbous | 81.55% | π |
| Wednesday, May 15, 2019 | Waxing Gibbous | 89.6% | π |
| Thursday, May 16, 2019 | Waxing Gibbous | 95.52% | π |
| Friday, May 17, 2019 | Full Moon | 99.01% | π |
| Saturday, May 18, 2019 | Full Moon | 99.99% | π |
| Sunday, May 19, 2019 | Full Moon | 98.55% | π |
| Monday, May 20, 2019 | Waning Gibbous | 94.94% | π |
| Tuesday, May 21, 2019 | Waning Gibbous | 89.5% | π |
| Wednesday, May 22, 2019 | Waning Gibbous | 82.59% | π |
| Thursday, May 23, 2019 | Waning Gibbous | 74.58% | π |
| Friday, May 24, 2019 | Last Quarter | 65.79% | π |
| Saturday, May 25, 2019 | Last Quarter | 56.54% | π |
| Sunday, May 26, 2019 | Last Quarter | 47.08% | π |
| Monday, May 27, 2019 | Last Quarter | 37.7% | π |
| Tuesday, May 28, 2019 | Waning Crescent | 28.66% | π |
| Wednesday, May 29, 2019 | Waning Crescent | 20.27% | π |
| Thursday, May 30, 2019 | Waning Crescent | 12.86% | π |
| Friday, May 31, 2019 | Waning Crescent | 6.79% | π |