On Tuesday, September 16, 2031 the Moon will be in its new moon phase, with 0% of its disk illuminated and an age of 29.4 days since the last new moon. The Moon sits between the Earth and the Sun and shows us its dark side. It is practically invisible in the sky, and the nights are darkest, which is ideal for stargazing.
Moon data for this date
| Phase | 🌑 New Moon |
|---|---|
| Illumination | 0% |
| Moon age | 29.4 days |
| Day of the week | Tuesday |
| Last new moon | August 18, 2031 at 01:32 |
| Next full moon | September 30, 2031 at 15:58 (in 14.2 days) |
| Next new moon | September 16, 2031 at 15:47 (in about 4 h) |
The Moon on the surrounding days
Compare the phase and illumination over the three days before and after. Click a day to open its page.
← September 15, 2031 September 17, 2031 →
About the new moon
The Moon sits between the Earth and the Sun and shows us its dark side. It is practically invisible in the sky, and the nights are darkest, which is ideal for stargazing. The phase name comes from the Moon's position in its 29.53-day cycle: on September 16, 2031 it had completed 99% of the cycle that began with the new moon on August 18, 2031.
Looking for another date, such as a birthday? Use the Moon phase on the day I was born tool, see the Moon phase today page with the lunar calendar, or find the day of the week of September 16, 2031. For sun times, check sunrise and sunset.