On Thursday, December 21, 1989 the Moon was in its last quarter phase, with 41% of its disk illuminated and an age of 23.2 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 | 41% |
| Moon age | 23.2 days |
| Day of the week | Thursday |
| Last new moon | November 28, 1989 at 07:41 |
| Next full moon | January 11, 1990 at 02:57 (in 20.6 days) |
| Next new moon | December 28, 1989 at 01:20 (in 6.6 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 20, 1989 December 22, 1989 →
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 December 21, 1989 it had completed 78% of the cycle that began with the new moon on November 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 December 21, 1989. For sun times, check sunrise and sunset.