On Saturday, September 18, 2021 the Moon was in its waxing gibbous phase, with 89% of its disk illuminated and an age of 11.6 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 | 89% |
| Moon age | 11.6 days |
| Day of the week | Saturday |
| Last new moon | September 6, 2021 at 21:52 |
| Next full moon | September 20, 2021 at 20:55 (in 2.4 days) |
| Next new moon | October 6, 2021 at 08:05 (in 17.8 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 17, 2021 September 19, 2021 →
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 18, 2021 it had completed 39% of the cycle that began with the new moon on September 6, 2021.
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 18, 2021. For sun times, check sunrise and sunset.