On Saturday, September 21, 1991 the Moon was in its waxing gibbous phase, with 97% of its disk illuminated and an age of 13.2 days since the last new moon. More than half of the disk is lit and the Moon already shows up in the afternoon. It stays visible most of the night, until the small hours.
Moon data for this date
| Phase | 🌔 Waxing Gibbous |
|---|---|
| Illumination | 97% |
| Moon age | 13.2 days |
| Day of the week | Saturday |
| Last new moon | September 8, 1991 at 08:01 |
| Next full moon | September 23, 1991 at 19:40 (in 2.3 days) |
| Next new moon | October 7, 1991 at 18:39 (in 16.3 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 20, 1991 September 22, 1991 →
About the waxing gibbous
More than half of the disk is lit and the Moon already shows up in the afternoon. It stays visible most of the night, until the small hours. The phase name comes from the Moon's position in its 29.53-day cycle: on September 21, 1991 it had completed 45% of the cycle that began with the new moon on September 8, 1991.
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 21, 1991. For sun times, check sunrise and sunset.