On Monday, December 18, 2017 the Moon was in its new moon phase, with 0% of its disk illuminated and an age of 0.3 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 | 0.3 days |
| Day of the week | Monday |
| Last new moon | December 18, 2017 at 04:30 |
| Next full moon | January 2, 2018 at 00:24 (in 14.5 days) |
| Next new moon | January 17, 2018 at 00:17 (in 29.5 days) |
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.
← December 17, 2017 December 19, 2017 →
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 December 18, 2017 it had completed 1% of the cycle that began with the new moon on December 18, 2017.
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 December 18, 2017. For sun times, check sunrise and sunset.