Full Moon phase observed on August 31, 2026

The Moon is in its Full Moon phase as of Monday, August 31, 2026, according to the National Institute of Meteorology (INMET). This phase began on August 28 and is expected to transition to the Waning Moon phase on September 4.

This lunar cycle coincided with a partial lunar eclipse observed between the night of August 27 and the early morning of August 28. During the peak of the eclipse at 01:13 Brasília time, approximately 96.2% of the lunar disk was within the Earth's umbra, the darkest part of its shadow.