Algeria to see 2026 blue moon tonight

Algerians can witness a "blue moon" on Sunday, May 31, 2026, a celestial event that occurs when a calendar month hosts two full moons. The first full moon of May 2026 took place on May 1, making the upcoming full moon the second and final one for the month.

The peak illumination is expected at 08:45 GMT, which translates to 9:45 AM in Algiers. Due to this early morning timing, the best viewing opportunities will be during the night of May 30 to May 31. The moon will also appear visually full on the nights of May 30 and June 1.

The blue moon will be visible to the naked eye throughout Algeria. For the clearest view, observers are advised to seek locations away from urban light pollution, such as the High Plateaus, the Saharan Atlas, or the Sahara Desert itself, particularly in regions like Tamanrasset and Djanet, known for their exceptionally clear night skies.

Astronomically, the moon will be situated in the constellation of Scorpius and will pass close to Antares, a bright red-orange star, offering a striking visual spectacle. This event is also classified as a "micromoon" because the moon will be at its farthest point from Earth in 2026, making it appear slightly smaller than usual.

It is important to note that the moon will not actually appear blue. The term "blue moon" does not refer to color but signifies a rare occurrence, akin to the English idiom "once in a blue moon." This phenomenon of two full moons within a single month happens approximately every two to three years.