On Tuesday, January 23, 2018 the Moon was in its first quarter phase, with 40% of its disk illuminated and an age of 6.5 days since the last new moon. Half of the disk is lit, about a week after the new moon. The Moon is easy to see in the early evening and sets around midnight.
Moon data for this date
| Phase | 🌓 First Quarter |
|---|---|
| Illumination | 40% |
| Moon age | 6.5 days |
| Day of the week | Tuesday |
| Last new moon | January 17, 2018 at 00:17 |
| Next full moon | January 31, 2018 at 11:27 (in 8.0 days) |
| Next new moon | February 15, 2018 at 19:05 (in 23.3 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.
← January 22, 2018 January 24, 2018 →
About the first quarter
Half of the disk is lit, about a week after the new moon. The Moon is easy to see in the early evening and sets around midnight. The phase name comes from the Moon's position in its 29.53-day cycle: on January 23, 2018 it had completed 22% of the cycle that began with the new moon on January 17, 2018.
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 23, 2018. For sun times, check sunrise and sunset.