Waning · 35.6% lit · ♊︎ Gemini 11°
Moon age
23.7days
Moon phase on August 17, 2025Waning Crescent
On Sunday, August 17, 2025, the Moon was a Waning Crescent: 35.6% of its visible face lit, 23.7 days after the new moon and shrinking each night.
35.6%Illumination at noon UTC
23.7 dMoon age
371,322 km230,728 mi from Earth
♊︎ GeminiMoon sign (12°)
32.2′Apparent size (arcmin)
WaningLit on the left (N. Hemisphere)
Nearest moon phases
The nearest full moon to August 17, 2025 is on Saturday, August 9, 2025 at 07:55 UTC, 8 days earlier, and the nearest new moon is on Saturday, August 23, 2025 at 06:07 UTC, 6 days later.
| Phase | Date | Time (UTC) |
|---|---|---|
| Last Quarter (before) | Saturday, August 16, 2025 | 05:12 |
| New Moon (after) | Saturday, August 23, 2025 | 06:07 |
The Moon around August 17
More about this date
Sunday, August 17, 2025 falls in the lunar cycle that runs from the new moon of July 24, 2025 to the new moon of August 23, 2025, a cycle of 29.46 days.
- See every phase of the month in the moon phases in August 2025, or the whole moon calendar 2025.
- The same date one year apart: 2024 · 2026.
- Born on this day? The moon phase on your birthday tool adds your birth time and your moon sign.
- Phases change by time zone: this page uses Coordinated Universal Time (UTC). Learn how to read the phases of the moon.