Space
May 30, 2026
How Many Days Until Blue Moon?
This Event Has Ended
There are 0 days until Blue Moon, which is 0 weeks and 0 days, or approximately 0 hours. That's 0 sleeps until Saturday, May 30, 2026.
A Blue Moon is the rare second full moon in a single calendar month (or the third of four in an astronomical season). Despite the name, the moon does not actually appear blue — the phrase gave rise to the expression once in a blue moon, meaning extremely infrequent.
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