Blue Moon Returns on May 31 as 4 Planets Line Up in Dawn and Dusk Skies

9 articles · Updated · Fox Weather · May 26

May 31 will bring the month’s second full moon — a calendrical Blue Moon — the first time two full moons have fallen in one month since August 2023.
About every 30 months, the event occurs because lunar phases last roughly 29.5 days, allowing a second full moon only in longer months; the next one is not due until December 2028.
45 to 60 minutes before sunrise, Mars and Saturn should be visible low in the eastern sky for early-rising observers.
30 to 45 minutes after sunset, Venus and Jupiter can also be spotted as they draw closer together, extending a late-May run of skywatching events into June.

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