On Sunday, August 17, 2025 the Moon was in its waning crescent phase, with 32% of its disk illuminated and an age of 23.8 days since the last new moon. Only a thin sliver is left, visible in the east shortly before dawn, as the cycle prepares to start over with the new moon.
Moon data for this date
| Phase | 🌘 Waning Crescent |
|---|---|
| Illumination | 32% |
| Moon age | 23.8 days |
| Day of the week | Sunday |
| Last new moon | July 24, 2025 at 16:11 |
| Next full moon | September 7, 2025 at 15:08 (in 21.1 days) |
| Next new moon | August 23, 2025 at 03:06 (in 5.6 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 16, 2025 August 18, 2025 →
About the waning crescent
Only a thin sliver is left, visible in the east shortly before dawn, as the cycle prepares to start over with the new moon. The phase name comes from the Moon's position in its 29.53-day cycle: on August 17, 2025 it had completed 81% of the cycle that began with the new moon on July 24, 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 August 17, 2025. For sun times, check sunrise and sunset.