On Monday, September 1, 2025 the Moon was in its waxing gibbous phase, with 70% of its disk illuminated and an age of 9.4 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 | 70% |
| Moon age | 9.4 days |
| Day of the week | Monday |
| Last new moon | August 23, 2025 at 03:06 |
| Next full moon | September 7, 2025 at 15:08 (in 6.1 days) |
| Next new moon | September 21, 2025 at 16:54 (in 20.2 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.
← August 31, 2025 September 2, 2025 →
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 1, 2025 it had completed 32% of the cycle that began with the new moon on August 23, 2025.
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 1, 2025. For sun times, check sunrise and sunset.