Blue Moon? Is it still a blue moon if the second full moon in a month rises on the last day of the month but sets on the first day of the next month, and you don’t see it until just before it sets? Share this: Share on Bluesky (Opens in new window) Bluesky Share on Reddit (Opens in new window) Reddit Share on Tumblr Share on Mastodon (Opens in new window) Mastodon Like Loading...