太空
五月 30, 2026
距离Blue Moon还有多少天？
该活动已结束
距离Blue Moon还有0s天，即0s周0s天，大约0s小时。距离星期六, 五月 30, 2026还需0s个睡眠。
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.
