Waning · 18.8% lit · ♌︎ Leo 03°
Moon age
25.2days
Moon phase on September 17, 2025Waning Crescent
On Wednesday, September 17, 2025, the Moon was a Waning Crescent: 18.8% of its visible face lit, 25.2 days after the new moon and shrinking each night.
18.8%Illumination at noon UTC
25.2 dMoon age
382,520 km237,687 mi from Earth
♌︎ LeoMoon sign (4°)
31.2′Apparent size (arcmin)
WaningLit on the left (N. Hemisphere)
Nearest moon phases
The nearest full moon to September 17, 2025 is on Sunday, September 7, 2025 at 18:09 UTC, 10 days earlier, and the nearest new moon is on Sunday, September 21, 2025 at 19:54 UTC, 4 days later.
| Phase | Date | Time (UTC) |
|---|---|---|
| Last Quarter (before) | Sunday, September 14, 2025 | 10:33 |
| New Moon (after) | Sunday, September 21, 2025 | 19:54 |
The Moon around September 17
More about this date
Wednesday, September 17, 2025 falls in the lunar cycle that runs from the new moon of August 23, 2025 to the new moon of September 21, 2025, a cycle of 29.57 days.
- See every phase of the month in the moon phases in September 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.