On Saturday, August 11, 1990 the Moon was in its waning gibbous phase, with 66% of its disk illuminated and an age of 20.5 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 | 66% |
| Moon age | 20.5 days |
| Day of the week | Saturday |
| Last new moon | July 21, 1990 at 23:54 |
| Next full moon | September 4, 1990 at 22:45 (in 24.4 days) |
| Next new moon | August 20, 1990 at 09:38 (in 8.9 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 10, 1990 August 12, 1990 →
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 11, 1990 it had completed 70% of the cycle that began with the new moon on July 21, 1990.
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 11, 1990. For sun times, check sunrise and sunset.