On Wednesday, August 18, 2038 the Moon will be in its waning gibbous phase, with 91% of its disk illuminated and an age of 17.6 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 | 91% |
| Moon age | 17.6 days |
| Day of the week | Wednesday |
| Last new moon | July 31, 2038 at 21:40 |
| Next full moon | September 13, 2038 at 09:24 (in 25.9 days) |
| Next new moon | August 30, 2038 at 07:12 (in 11.8 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 17, 2038 August 19, 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 August 18, 2038 it had completed 60% of the cycle that began with the new moon on July 31, 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 August 18, 2038. For sun times, check sunrise and sunset.