On Sunday, December 25, 1988 the Moon was in its waning gibbous phase, with 97% of its disk illuminated and an age of 16.3 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 | 97% |
| Moon age | 16.3 days |
| Day of the week | Sunday |
| Last new moon | December 9, 1988 at 03:36 |
| Next full moon | January 21, 1989 at 19:33 (in 27.3 days) |
| Next new moon | January 7, 1989 at 17:22 (in 13.2 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.
← December 24, 1988 December 26, 1988 →
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 25, 1988 it had completed 55% of the cycle that began with the new moon on December 9, 1988.
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 25, 1988. For sun times, check sunrise and sunset.