Blue Moon 2026
🌕 Blue Moon: May 31, 2026 at 8:45 AM ET · Blue Moon
A blue moon is the second full moon in a single calendar month — it has nothing to do with color. The only blue moon of 2026 falls on May 31. It is also a micromoon, meaning the Moon is near its farthest point from Earth, making it the smallest and faintest full moon of the year.
Frequently Asked Questions
When is the Blue Moon in 2026?
The Blue Moon reaches its full phase on May 31, 2026 at 8:45 AM ET. The second full moon in May 2026 — the only Blue Moon of the year. It is also a micromoon, the smallest and faintest full moon of 2026.