On Sunday, October 21, 1951 the Moon was in its waning gibbous phase, with 67% 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 | 67% |
| Moon age | 20.5 days |
| Day of the week | Sunday |
| Last new moon | September 30, 1951 at 22:56 |
| Next full moon | November 13, 1951 at 12:52 (in 23.0 days) |
| Next new moon | October 30, 1951 at 10:54 (in 9.0 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.
← October 20, 1951 October 22, 1951 →
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 October 21, 1951 it had completed 70% of the cycle that began with the new moon on September 30, 1951.
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 October 21, 1951. For sun times, check sunrise and sunset.