Moon Calendar for May, 2018
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Tuesday, May 1, 2018 | Waning Gibbous | 95.81% | π |
| Wednesday, May 2, 2018 | Waning Gibbous | 90.99% | π |
| Thursday, May 3, 2018 | Waning Gibbous | 84.7% | π |
| Friday, May 4, 2018 | Waning Gibbous | 77.22% | π |
| Saturday, May 5, 2018 | Last Quarter | 68.82% | π |
| Sunday, May 6, 2018 | Last Quarter | 59.77% | π |
| Monday, May 7, 2018 | Last Quarter | 50.31% | π |
| Tuesday, May 8, 2018 | Last Quarter | 40.72% | π |
| Wednesday, May 9, 2018 | Last Quarter | 31.28% | π |
| Thursday, May 10, 2018 | Waning Crescent | 22.35% | π |
| Friday, May 11, 2018 | Waning Crescent | 14.3% | π |
| Saturday, May 12, 2018 | Waning Crescent | 7.62% | π |
| Sunday, May 13, 2018 | New Moon | 2.78% | π |
| Monday, May 14, 2018 | New Moon | 0.27% | π |
| Tuesday, May 15, 2018 | New Moon | 0.43% | π |
| Wednesday, May 16, 2018 | New Moon | 3.41% | π |
| Thursday, May 17, 2018 | Waxing Crescent | 9.08% | π |
| Friday, May 18, 2018 | Waxing Crescent | 17.07% | π |
| Saturday, May 19, 2018 | Waxing Crescent | 26.8% | π |
| Sunday, May 20, 2018 | First Quarter | 37.64% | π |
| Monday, May 21, 2018 | First Quarter | 48.92% | π |
| Tuesday, May 22, 2018 | First Quarter | 60.03% | π |
| Wednesday, May 23, 2018 | Waxing Gibbous | 70.45% | π |
| Thursday, May 24, 2018 | Waxing Gibbous | 79.73% | π |
| Friday, May 25, 2018 | Waxing Gibbous | 87.51% | π |
| Saturday, May 26, 2018 | Waxing Gibbous | 93.53% | π |
| Sunday, May 27, 2018 | Full Moon | 97.62% | π |
| Monday, May 28, 2018 | Full Moon | 99.71% | π |
| Tuesday, May 29, 2018 | Full Moon | 99.8% | π |
| Wednesday, May 30, 2018 | Full Moon | 97.99% | π |
| Thursday, May 31, 2018 | Waning Gibbous | 94.4% | π |