MoonPhases

September 2025 · Wednesday · 12 months ago

17 September 2025

Waning Crescent

19% illuminated and waning, 25.2 days into the lunar cycle.

The moon on 17 September 2025: Waning Crescent, 19% illuminated

Ephemeris for 17 September 2025 at 12:00 UTC

Phase
Waning Crescent
Illumination
18.8%
Lunar age
25.2 days
Elongation
308.8°
Distance
382,520 km
Distance (mi)
237,687 mi
Apparent size
31.2′
Constellation
Leo
Libration lat
4.7° S
Libration lon
5.9° E

Moonrise and moonset

Times in each city's own time zone. A “+1” means the event falls on the following day — the lunar day is about 50 minutes longer than ours, so rise and set drift later each date.
CityMoonriseTransitMoonsetPeak altitude
London00:5409:3417:5361.5°
New York01:5509:4017:1471.6°
Chicago01:4809:3717:1370.3°
Denver02:0809:4917:1872.3°
Los Angeles02:2109:4416:5777.9°
Mexico City02:3509:2416:0987.0°
São Paulo03:2008:4714:1742.8°
Berlin00:5009:3818:0360.7°

Somewhere else? The calculator works for any latitude and longitude, including your own.

Phases around this date

PhaseDateTime (UTC)From this date
New Moon21 September 202519:54in 4 days
First Quarter29 September 202523:54in 12 days
Full Moon7 October 202503:48in 20 days
Last Quarter13 October 202518:13in 26 days