Moon Phase on Thursday, September 3, 2026

Times on this page are for New York, NY (EDT) unless noted. Phase and illumination are calculated for 12:00 PM local time with astronomy-engine.

On Thursday, September 3, 2026, the Moon is a waning gibbous moon, 58% illuminated and 21.9 days old. "Waning" means the lit part is shrinking after Full Moon. From the Northern Hemisphere, the lit side is now on the left.

The Moon is a waning gibbous moon on Thursday, September 3, 2026 (58% lit). It rises after sunset, later each night, and is still up in the morning sky after sunrise. In New York, NY, moonrise is at 10:45 PM and moonset at 1:44 PM.

Viewing tips

The early evening is darker than at Full Moon, because the Moon now rises after sunset. This is a short window for stargazing before moonrise. Look for the Moon in the western sky in the morning.

The next major phase is the Last Quarter on September 4 at 3:51 AM EDT, tomorrow.

The next full moon is the Harvest Moon on Saturday, September 26, 2026. See the Harvest Moon page for times in every US time zone.

The Moon takes about 29.5 days to go through all eight phases, the synodic month. Phases happen at the same instant everywhere on Earth, but the calendar date can change with your time zone, especially when a phase falls near midnight.