On Thursday, January 18, 1990 the Moon was in its last quarter phase, with 58% of its disk illuminated and an age of 21.4 days since the last new moon. Half of the disk is lit again, on the opposite side from the first quarter. The Moon rises around midnight and is visible in the morning.
Moon data for this date
| Phase | 🌗 Last Quarter |
|---|---|
| Illumination | 58% |
| Moon age | 21.4 days |
| Day of the week | Thursday |
| Last new moon | December 28, 1989 at 01:20 |
| Next full moon | February 9, 1990 at 17:16 (in 22.2 days) |
| Next new moon | January 26, 1990 at 17:20 (in 8.2 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 17, 1990 January 19, 1990 →
About the last quarter
Half of the disk is lit again, on the opposite side from the first quarter. The Moon rises around midnight and is visible in the morning. The phase name comes from the Moon's position in its 29.53-day cycle: on January 18, 1990 it had completed 72% of the cycle that began with the new moon on December 28, 1989.
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 18, 1990. For sun times, check sunrise and sunset.