On Friday, February 1, 1991 the Moon was in its waning gibbous phase, with 97% of its disk illuminated and an age of 16.6 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 | 97% |
| Moon age | 16.6 days |
| Day of the week | Friday |
| Last new moon | January 15, 1991 at 21:50 |
| Next full moon | February 28, 1991 at 15:25 (in 27.2 days) |
| Next new moon | February 14, 1991 at 15:32 (in 13.1 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.
← January 31, 1991 February 2, 1991 →
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 February 1, 1991 it had completed 56% of the cycle that began with the new moon on January 15, 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 February 1, 1991. For sun times, check sunrise and sunset.