Moon Calendar for May, 2018
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Tuesday, May 1, 2018 | Full Moon | 97.37% | π |
| Wednesday, May 2, 2018 | Waning Gibbous | 93.26% | π |
| Thursday, May 3, 2018 | Waning Gibbous | 87.57% | π |
| Friday, May 4, 2018 | Waning Gibbous | 80.57% | π |
| Saturday, May 5, 2018 | Waning Gibbous | 72.53% | π |
| Sunday, May 6, 2018 | Last Quarter | 63.72% | π |
| Monday, May 7, 2018 | Last Quarter | 54.41% | π |
| Tuesday, May 8, 2018 | Last Quarter | 44.84% | π |
| Wednesday, May 9, 2018 | Last Quarter | 35.3% | π |
| Thursday, May 10, 2018 | Waning Crescent | 26.11% | π |
| Friday, May 11, 2018 | Waning Crescent | 17.62% | π |
| Saturday, May 12, 2018 | Waning Crescent | 10.29% | π |
| Sunday, May 13, 2018 | Waning Crescent | 4.6% | π |
| Monday, May 14, 2018 | New Moon | 1.04% | π |
| Tuesday, May 15, 2018 | New Moon | 0.02% | π |
| Wednesday, May 16, 2018 | New Moon | 1.79% | π |
| Thursday, May 17, 2018 | Waxing Crescent | 6.33% | π |
| Friday, May 18, 2018 | Waxing Crescent | 13.38% | π |
| Saturday, May 19, 2018 | Waxing Crescent | 22.44% | π |
| Sunday, May 20, 2018 | First Quarter | 32.89% | π |
| Monday, May 21, 2018 | First Quarter | 44.05% | π |
| Tuesday, May 22, 2018 | First Quarter | 55.31% | π |
| Wednesday, May 23, 2018 | First Quarter | 66.09% | π |
| Thursday, May 24, 2018 | Waxing Gibbous | 75.9% | π |
| Friday, May 25, 2018 | Waxing Gibbous | 84.37% | π |
| Saturday, May 26, 2018 | Waxing Gibbous | 91.17% | π |
| Sunday, May 27, 2018 | Waxing Gibbous | 96.1% | π |
| Monday, May 28, 2018 | Full Moon | 99.05% | π |
| Tuesday, May 29, 2018 | Full Moon | 100% | π |
| Wednesday, May 30, 2018 | Full Moon | 98.99% | π |
| Thursday, May 31, 2018 | Waning Gibbous | 96.15% | π |