On Sunday, December 23, 2029 the Moon will be in its waning gibbous phase, with 88% of its disk illuminated and an age of 18.0 days since the last new moon. The lit part starts to shrink. The Moon rises a few hours after dusk and is still in the sky when day breaks.
Moon data for this date
| Phase | 🌖 Waning Gibbous |
|---|---|
| Illumination | 88% |
| Moon age | 18.0 days |
| Day of the week | Sunday |
| Last new moon | December 5, 2029 at 11:52 |
| Next full moon | January 19, 2030 at 12:54 (in 27.0 days) |
| Next new moon | January 3, 2030 at 23:49 (in 11.5 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 22, 2029 December 24, 2029 →
About the waning gibbous
The lit part starts to shrink. The Moon rises a few hours after dusk and is still in the sky when day breaks. The phase name comes from the Moon's position in its 29.53-day cycle: on December 23, 2029 it had completed 61% of the cycle that began with the new moon on December 5, 2029.
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 23, 2029. For sun times, check sunrise and sunset.