Moon Calendar for May, 2018
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Tuesday, May 1, 2018 | Full Moon | 96.47% | π |
| Wednesday, May 2, 2018 | Waning Gibbous | 91.93% | π |
| Thursday, May 3, 2018 | Waning Gibbous | 85.88% | π |
| Friday, May 4, 2018 | Waning Gibbous | 78.58% | π |
| Saturday, May 5, 2018 | Waning Gibbous | 70.32% | π |
| Sunday, May 6, 2018 | Last Quarter | 61.35% | π |
| Monday, May 7, 2018 | Last Quarter | 51.95% | π |
| Tuesday, May 8, 2018 | Last Quarter | 42.36% | π |
| Wednesday, May 9, 2018 | Last Quarter | 32.88% | π |
| Thursday, May 10, 2018 | Waning Crescent | 23.83% | π |
| Friday, May 11, 2018 | Waning Crescent | 15.6% | π |
| Saturday, May 12, 2018 | Waning Crescent | 8.65% | π |
| Sunday, May 13, 2018 | New Moon | 3.46% | π |
| Monday, May 14, 2018 | New Moon | 0.52% | π |
| Tuesday, May 15, 2018 | New Moon | 0.21% | π |
| Wednesday, May 16, 2018 | New Moon | 2.7% | π |
| Thursday, May 17, 2018 | Waxing Crescent | 7.93% | π |
| Friday, May 18, 2018 | Waxing Crescent | 15.55% | π |
| Saturday, May 19, 2018 | Waxing Crescent | 25.04% | π |
| Sunday, May 20, 2018 | First Quarter | 35.73% | π |
| Monday, May 21, 2018 | First Quarter | 46.98% | π |
| Tuesday, May 22, 2018 | First Quarter | 58.16% | π |
| Wednesday, May 23, 2018 | First Quarter | 68.73% | π |
| Thursday, May 24, 2018 | Waxing Gibbous | 78.24% | π |
| Friday, May 25, 2018 | Waxing Gibbous | 86.3% | π |
| Saturday, May 26, 2018 | Waxing Gibbous | 92.63% | π |
| Sunday, May 27, 2018 | Full Moon | 97.06% | π |
| Monday, May 28, 2018 | Full Moon | 99.49% | π |
| Tuesday, May 29, 2018 | Full Moon | 99.92% | π |
| Wednesday, May 30, 2018 | Full Moon | 98.43% | π |
| Thursday, May 31, 2018 | Waning Gibbous | 95.14% | π |