Skywatchers across Pakistan and around the world are set to witness a rare astronomical event tonight as a "blue moon" lights up the night sky after sunset.
According to astronomers, the blue moon occurring tonight is the second full moon of May 2026, making it a rare celestial phenomenon that appears only once every two to three years. Despite its name, a blue moon does not actually appear blue in color. The term is used in astronomy to describe the second full moon that occurs within the same calendar month.
The first full moon of May was observed on May 1, while tonight's full moon marks the month's second occurrence, officially qualifying it as a blue moon.
Astronomers have also noted that this blue moon will coincide with a "micromoon," meaning the moon will be at a relatively greater distance from Earth and may appear slightly smaller than a typical full moon. However, its brightness and beauty are expected to create a spectacular sight for observers.
The phrase "once in a blue moon," commonly used to describe a rare event, is derived from this unusual astronomical occurrence.
Experts say the blue moon enhances the charm of the full moon, making the night sky even more captivating. The phenomenon will be visible in Pakistan as well as in many other countries around the world.
As excitement grows among astronomy enthusiasts and the general public, many citizens have been heading to parks and open spaces to enjoy the rare lunar display. Observers are expected to gather after sunset to witness the stunning celestial event.
Astronomers encourage people to view the blue moon with the naked eye, as no special equipment is required to enjoy one of nature's most fascinating spectacles.