Moon Calendar for May, 2018
| Date | Moon Phase | Illumination | Moon Icon |
|---|---|---|---|
| Tuesday, May 1, 2018 | Full Moon | 96.28% | π |
| Wednesday, May 2, 2018 | Waning Gibbous | 91.66% | π |
| Thursday, May 3, 2018 | Waning Gibbous | 85.53% | π |
| Friday, May 4, 2018 | Waning Gibbous | 78.18% | π |
| Saturday, May 5, 2018 | Waning Gibbous | 69.87% | π |
| Sunday, May 6, 2018 | Last Quarter | 60.88% | π |
| Monday, May 7, 2018 | Last Quarter | 51.46% | π |
| Tuesday, May 8, 2018 | Last Quarter | 41.87% | π |
| Wednesday, May 9, 2018 | Last Quarter | 32.4% | π |
| Thursday, May 10, 2018 | Waning Crescent | 23.38% | π |
| Friday, May 11, 2018 | Waning Crescent | 15.21% | π |
| Saturday, May 12, 2018 | Waning Crescent | 8.33% | π |
| Sunday, May 13, 2018 | New Moon | 3.25% | π |
| Monday, May 14, 2018 | New Moon | 0.44% | π |
| Tuesday, May 15, 2018 | New Moon | 0.27% | π |
| Wednesday, May 16, 2018 | New Moon | 2.91% | π |
| Thursday, May 17, 2018 | Waxing Crescent | 8.27% | π |
| Friday, May 18, 2018 | Waxing Crescent | 16% | π |
| Saturday, May 19, 2018 | Waxing Crescent | 25.56% | π |
| Sunday, May 20, 2018 | First Quarter | 36.3% | π |
| Monday, May 21, 2018 | First Quarter | 47.56% | π |
| Tuesday, May 22, 2018 | First Quarter | 58.72% | π |
| Wednesday, May 23, 2018 | Waxing Gibbous | 69.25% | π |
| Thursday, May 24, 2018 | Waxing Gibbous | 78.69% | π |
| Friday, May 25, 2018 | Waxing Gibbous | 86.67% | π |
| Saturday, May 26, 2018 | Waxing Gibbous | 92.91% | π |
| Sunday, May 27, 2018 | Full Moon | 97.23% | π |
| Monday, May 28, 2018 | Full Moon | 99.56% | π |
| Tuesday, May 29, 2018 | Full Moon | 99.89% | π |
| Wednesday, May 30, 2018 | Full Moon | 98.3% | π |
| Thursday, May 31, 2018 | Waning Gibbous | 94.92% | π |