Moon Calendar for May, 2018
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Tuesday, May 1, 2018 | Waning Gibbous | 95.63% | π |
| Wednesday, May 2, 2018 | Waning Gibbous | 90.73% | π |
| Thursday, May 3, 2018 | Waning Gibbous | 84.38% | π |
| Friday, May 4, 2018 | Waning Gibbous | 76.85% | π |
| Saturday, May 5, 2018 | Last Quarter | 68.41% | π |
| Sunday, May 6, 2018 | Last Quarter | 59.33% | π |
| Monday, May 7, 2018 | Last Quarter | 49.86% | π |
| Tuesday, May 8, 2018 | Last Quarter | 40.27% | π |
| Wednesday, May 9, 2018 | Waning Crescent | 30.85% | π |
| Thursday, May 10, 2018 | Waning Crescent | 21.95% | π |
| Friday, May 11, 2018 | Waning Crescent | 13.96% | π |
| Saturday, May 12, 2018 | Waning Crescent | 7.35% | π |
| Sunday, May 13, 2018 | New Moon | 2.61% | π |
| Monday, May 14, 2018 | New Moon | 0.22% | π |
| Tuesday, May 15, 2018 | New Moon | 0.51% | π |
| Wednesday, May 16, 2018 | New Moon | 3.62% | π |
| Thursday, May 17, 2018 | Waxing Crescent | 9.41% | π |
| Friday, May 18, 2018 | Waxing Crescent | 17.49% | π |
| Saturday, May 19, 2018 | Waxing Crescent | 27.29% | π |
| Sunday, May 20, 2018 | First Quarter | 38.16% | π |
| Monday, May 21, 2018 | First Quarter | 49.44% | π |
| Tuesday, May 22, 2018 | First Quarter | 60.54% | π |
| Wednesday, May 23, 2018 | Waxing Gibbous | 70.91% | π |
| Thursday, May 24, 2018 | Waxing Gibbous | 80.13% | π |
| Friday, May 25, 2018 | Waxing Gibbous | 87.83% | π |
| Saturday, May 26, 2018 | Waxing Gibbous | 93.77% | π |
| Sunday, May 27, 2018 | Full Moon | 97.76% | π |
| Monday, May 28, 2018 | Full Moon | 99.75% | π |
| Tuesday, May 29, 2018 | Full Moon | 99.76% | π |
| Wednesday, May 30, 2018 | Full Moon | 97.86% | π |
| Thursday, May 31, 2018 | Waning Gibbous | 94.2% | π |