On Monday, January 1, 2018 the Moon was in its full moon phase, with 100% of its disk illuminated and an age of 14.3 days since the last new moon. The whole disk is lit: the Moon rises as the Sun sets and stays up all night. It is the brightest and most photographed phase.
Moon data for this date
| Phase | 🌕 Full Moon |
|---|---|
| Illumination | 100% |
| Moon age | 14.3 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 about 12 h) |
| Next new moon | January 17, 2018 at 00:17 (in 15.5 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 31, 2017 January 2, 2018 →
About the full moon
The whole disk is lit: the Moon rises as the Sun sets and stays up all night. It is the brightest and most photographed phase. The phase name comes from the Moon's position in its 29.53-day cycle: on January 1, 2018 it had completed 48% 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 January 1, 2018. For sun times, check sunrise and sunset.