Partial Lunar Eclipse August 2026: Dates, Visibility, and How to Watch
- A deep partial lunar eclipse will darken 96.2 percent of the Moon's surface on the night of August 27–28, 2026, offering millions of skywatchers across North America, South...
- According to timeanddate.com, the celestial event will span a total duration of 5 hours and 38 minutes from the initial penumbral phase to its conclusion.
- The lunar event arrives just two weeks after a solar alignment.
A deep partial lunar eclipse will darken 96.2 percent of the Moon’s surface on the night of August 27–28, 2026, offering millions of skywatchers across North America, South America, Europe, and Africa a celestial alignment, according to data published by timeanddate.com.
Eclipse Timeline and Visibility Details
According to timeanddate.com, the celestial event will span a total duration of 5 hours and 38 minutes from the initial penumbral phase to its conclusion. The partial eclipse phase itself will last for 3 hours and 18 minutes, giving observers a prolonged window to track the Earth’s umbral shadow crossing the lunar disk. Calculations from timeanddate.com show that the partial eclipse begins globally on August 28 at 02:33:54 UTC, with the maximum eclipse occurring at 04:12:53 UTC. During this peak moment, the eclipse magnitude will reach 0.930, meaning 93 percent of the Moon’s diameter—and 96.2 percent of its total area—will be obscured by the Earth’s umbra. Visibility will span multiple continents, depending on local weather conditions and the moon’s position relative to the horizon. According to demographic data provided by the Center for International Earth Science Information Network (CIESIN) at Columbia University via timeanddate.com, approximately 3.34 billion people—or 41.21 percent of the world’s population—will reside in regions able to witness at least some portion of the partial phase.
A Second Major Astronomical Alignment in August 2026
The lunar event arrives just two weeks after a solar alignment. A partial solar eclipse will take place on August 12, 2026, when the Moon passes in front of the Sun and blocks its light. Data notes that while the path of totality for the solar eclipse falls over parts of Greenland, Iceland, and Spain, viewers in the UK and Ireland will experience a significant partial solar eclipse. Roughly 90 percent of the Sun will be covered from the British Isles, making it as close to a total eclipse as we’ve seen in almost 27 years from the British Isles. For observers in London, first contact will occur at 6:17 pm on August 12, 2026, with maximum coverage reached at 7:12 pm. Because the solar eclipse will coincide with sunset, the Sun and Moon will sit low on the western horizon, requiring viewers to seek elevated vantage points with clear lines of sight to catch the full progression before it ends at 8:06 pm.

