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Rare 'Blue Micromoon' Happening Sunday Morning — Here's What Time to Look Up

The second full moon of May 2026 will peak at 3:45 a.m. CT and appear smaller than usual because it is a micromoon.

  • Tomorrow, May 31, the Blue Moon peaks at 3:45 a.m. CT, marking the smallest full moon of 2026.
  • Because the Moon's 29.5-day cycle does not perfectly match the calendar month, two full moons occur in May 2026, creating this rare monthly Blue Moon event.
  • A Blue Micromoon can appear up to 14% smaller than an average full moon because it sits around 251,000 miles from Earth, making it appear dimmer in the night sky.
  • Astronomer Gianluca Masi and the Virtual Telescope Project in Manciano, Italy will host a free livestream beginning 9:30 p.m. EDT on May 30, allowing global viewers to observe the event.
  • The Strawberry Moon peaks June 29, while monthly Blue Moons occur roughly every 30 months according to NASA, making tomorrow's event relatively rare.
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Blue Moon: A rare Blue Moon will be visible in the sky on May 31, 2026. The question is whether the moon will actually appear blue today. Learn about its viewing time in India and its astrological significance.

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Ciudad Juárez.- This Sunday the people of Juárez will be able to appreciate the astronomical phenomenon of the ‘Blue Moon’, an event that will be repeated until 2037. A ‘Blue Moon’ is an astronomical event that occurs when two full moons are registered within the same month of the calendar. Despite its name, the satellite does not change color. The term is due to the synchronization of the lunar cycles with the months of the year. The phenomenon…

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Mashable broke the news in New York, United States on Saturday, May 30, 2026.
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