Blue Moon Date 2024. A blue moon appears every two or three years due to an uneven cycle of moon phases, with the next one on august 19, 2024.  — it’s also the only full blue moon of 2024.

The pair rise in the east shortly after dark, and trek toward the west together until.  — the next blue moon will be a seasonal blue moon on monday august 19, 2024 because summer 2024 will have four full moons.