On Wednesday, January 17, 2001 the Moon was in its last quarter phase, with 45% of its disk illuminated and an age of 22.9 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 | 45% |
| Moon age | 22.9 days |
| Day of the week | Wednesday |
| Last new moon | December 25, 2000 at 15:22 |
| Next full moon | February 8, 2001 at 05:12 (in 21.7 days) |
| Next new moon | January 24, 2001 at 11:07 (in 7.0 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 16, 2001 January 18, 2001 →
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 17, 2001 it had completed 77% of the cycle that began with the new moon on December 25, 2000.
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 17, 2001. For sun times, check sunrise and sunset.