MoonPhases

September 2027 · Friday · in 12 months

17 September 2027

Waning Gibbous

98% illuminated and waning, 16.8 days into the lunar cycle.

The moon on 17 September 2027: Waning Gibbous, 98% illuminated

Ephemeris for 17 September 2027 at 12:00 UTC

Phase
Waning Gibbous
Illumination
97.5%
Lunar age
16.8 days
Elongation
197.6°
Distance
394,905 km
Distance (mi)
245,383 mi
Apparent size
30.2′
Constellation
Aries
Libration lat
5.9° S
Libration lon
4.7° W

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
London19:1101:3208:2344.1°
New York19:2801:3708:1956.2°
Chicago19:2201:3308:1755.3°
Denver19:3601:4408:2757.7°
Los Angeles19:3801:3908:1663.7°
Mexico City19:3601:2007:4478.2°
São Paulo19:3700:4406:3959.0°
Berlin19:1401:3708:2842.9°

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

Phases around this date

PhaseDateTime (UTC)From this date
Last Quarter23 September 202710:21in 6 days
New Moon30 September 202702:36in 13 days
First Quarter7 October 202711:48in 20 days
Full Moon15 October 202713:47in 28 days