On Saturday, September 8, 1990 the Moon was in its waning gibbous phase, with 80% of its disk illuminated and an age of 19.1 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 | 80% |
| Moon age | 19.1 days |
| Day of the week | Saturday |
| Last new moon | August 20, 1990 at 09:38 |
| Next full moon | October 4, 1990 at 09:01 (in 25.9 days) |
| Next new moon | September 18, 1990 at 21:46 (in 10.4 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.
← September 7, 1990 September 9, 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 September 8, 1990 it had completed 65% of the cycle that began with the new moon on August 20, 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 September 8, 1990. For sun times, check sunrise and sunset.