Moon Calendar for May, 2018
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Tuesday, May 1, 2018 | Full Moon | 97.41% | π |
| Wednesday, May 2, 2018 | Waning Gibbous | 93.33% | π |
| Thursday, May 3, 2018 | Waning Gibbous | 87.66% | π |
| Friday, May 4, 2018 | Waning Gibbous | 80.67% | π |
| Saturday, May 5, 2018 | Waning Gibbous | 72.65% | π |
| Sunday, May 6, 2018 | Last Quarter | 63.85% | π |
| Monday, May 7, 2018 | Last Quarter | 54.54% | π |
| Tuesday, May 8, 2018 | Last Quarter | 44.97% | π |
| Wednesday, May 9, 2018 | Last Quarter | 35.43% | π |
| Thursday, May 10, 2018 | Waning Crescent | 26.23% | π |
| Friday, May 11, 2018 | Waning Crescent | 17.73% | π |
| Saturday, May 12, 2018 | Waning Crescent | 10.38% | π |
| Sunday, May 13, 2018 | Waning Crescent | 4.67% | π |
| Monday, May 14, 2018 | New Moon | 1.07% | π |
| Tuesday, May 15, 2018 | New Moon | 0.02% | π |
| Wednesday, May 16, 2018 | New Moon | 1.74% | π |
| Thursday, May 17, 2018 | Waxing Crescent | 6.25% | π |
| Friday, May 18, 2018 | Waxing Crescent | 13.27% | π |
| Saturday, May 19, 2018 | Waxing Crescent | 22.31% | π |
| Sunday, May 20, 2018 | First Quarter | 32.74% | π |
| Monday, May 21, 2018 | First Quarter | 43.9% | π |
| Tuesday, May 22, 2018 | First Quarter | 55.16% | π |
| Wednesday, May 23, 2018 | First Quarter | 65.94% | π |
| Thursday, May 24, 2018 | Waxing Gibbous | 75.78% | π |
| Friday, May 25, 2018 | Waxing Gibbous | 84.26% | π |
| Saturday, May 26, 2018 | Waxing Gibbous | 91.09% | π |
| Sunday, May 27, 2018 | Waxing Gibbous | 96.05% | π |
| Monday, May 28, 2018 | Full Moon | 99.03% | π |
| Tuesday, May 29, 2018 | Full Moon | 100% | π |
| Wednesday, May 30, 2018 | Full Moon | 99.02% | π |
| Thursday, May 31, 2018 | Full Moon | 96.2% | π |