On Friday, December 17, 2038 the Moon will be in its waning gibbous phase, with 61% of its disk illuminated and an age of 21.1 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 | 61% |
| Moon age | 21.1 days |
| Day of the week | Friday |
| Last new moon | November 26, 2038 at 10:47 |
| Next full moon | January 10, 2039 at 08:46 (in 23.9 days) |
| Next new moon | December 25, 2038 at 22:02 (in 8.4 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 16, 2038 December 18, 2038 →
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 17, 2038 it had completed 71% of the cycle that began with the new moon on November 26, 2038.
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 17, 2038. For sun times, check sunrise and sunset.