On October 25, 2026, the Moon was in the last day of the waxing phase and showed 99% visibility. The National Institute of Meteorology (Inmet) released the complete calendar of lunar phases for that month.
The phases in October 2026 began on the 3rd with the Waning Moon at 10:26 AM Brasília time. Subsequently, the New Moon occurred on the 10th at 12:50 PM. The Waxing Moon appeared on the 18th at 1:13 PM, and the Full Moon is scheduled for the 26th at 1:13 AM.
A lunar cycle, also known as a lunation, is the time interval between two new moons and has an average duration of 29.5 days. During this period, the Moon passes through four main phases: new, waxing, full, and waning, with each phase lasting approximately seven days.
In addition to these main phases, there are so-called 'interphases,' which include the quarter waxing and the gibbous waxing (located between the new and full phases), and the gibbous waning and the quarter waning (between the full and waning phases).
Details about Lunar Phases
During the New Moon phase, the satellite is positioned between the Earth and the Sun. This results in only the side illuminated by the Sun facing the Sun, while the dark side faces us, making it impossible to see the Moon in the night sky. This phase signals the beginning of a new lunar cycle and is linked to renewal and new opportunities.
After the New Moon, the Waxing phase begins. Slowly, a thin illuminated band starts to be observed in the sky, progressively increasing each night. Initially, only a faint arc of light is visible, but as the days advance, the illuminated area grows until it reaches half of the Moon, a stage called Quarter Waxing. This phase represents development, growth, and the building of new paths.
In the Full Moon phase, the Earth is located between the Sun and the Moon. This configuration allows the entire lunar face facing us to receive complete illumination, making it completely bright and visible in the sky. This is the period of maximum luminous intensity, occurring when the Moon rises on the horizon simultaneously with sunset. The Full Moon is associated with fullness, the peak of processes, and energy at its highest point.
After the Full Moon, the lunar luminosity begins to gradually decline. Each night, a decrease in the illuminated surface is observed. When half of the Moon is visible, the Quarter Waning occurs, which is the opposite of the Quarter Waxing. The Moon continues to lose brightness until it returns to the New Moon, thus restarting the cycle. The Waning phase symbolizes reflection, conclusion, and preparation for subsequent beginnings.
On the current day, the Moon is in the Waxing phase.
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