On Friday, August 31, 2018 the Moon was in its waning gibbous phase, with 69% of its disk illuminated and an age of 20.2 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 | 69% |
| Moon age | 20.2 days |
| Day of the week | Friday |
| Last new moon | August 11, 2018 at 06:58 |
| Next full moon | September 24, 2018 at 23:53 (in 24.5 days) |
| Next new moon | September 9, 2018 at 15:02 (in 9.1 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.
← August 30, 2018 September 1, 2018 →
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 August 31, 2018 it had completed 69% of the cycle that began with the new moon on August 11, 2018.
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 August 31, 2018. For sun times, check sunrise and sunset.