when will the blue moon be visible

The next blue moon will be visible on May 31, 2026. There will not be a blue moon in 2025; the next astronomical blue moon after 2024's occurrence is in 2026. A blue moon typically refers to the second full moon in a calendar month or the third full moon in a season of four full moons. The May 31, 2026 blue moon is the next such event astronomically defined as a blue moon.