Why the 2027 Eclipse Could Be Extraordinary

The August 2, 2027 event is nicknamed the “Eclipse of the Century” chiefly because of its exceptional totality: it will last up to 6 minutes 23.2 seconds in Egypt, near Luxor. That makes it the second-longest total solar eclipse of the 21st century, surpassed only by the solar eclipse of July 22, 2009. It will also be the century’s longest total eclipse on easily accessible land; no longer such event will occur until 2114. Its length results in part from the Moon occurring about 2.5 hours before perigee, when its apparent disk is comparatively large and can cover the Sun for longer. See #Duration.

Its path of totality crosses densely populated and highly accessible areas from the eastern Atlantic and the Strait of Gibraltar through southern Spain, North Africa, Egypt, the Arabian Peninsula, and onward toward the Indian Ocean. About 89 million people live within the totality path, and very large tourist crowds are expected; southern Spain and Morocco were already reporting early hotel sell-outs well before the event. The eclipse will also offer a rare intersection with the path of the solar eclipse of March 20, 2034 on Egypt’s southeastern coast—remarkable because a given place typically sees totality only about once every 375 years. See #Path and #Impact.

The path of totality begins over the eastern Atlantic Ocean, crosses the Strait of Gibraltar, and continues through southern Spain—near Cádiz, Málaga, Almería and Granada—as well as Gibraltar, Ceuta, and Tangier. It then crosses Algeria near Oran, Tunisia near Sfax, Libya near Benghazi, and central Egypt near Luxor. The shadow then travels through southwestern Saudi Arabia, including Jeddah and Mecca, western Yemen near Sana'a, the extreme northeast of Somalia, and islands of the British Indian Ocean Territory. See #Path.

Observers will experience the longest totality in northeastern Egypt’s New Valley Governorate, about 60 km (37 mi) southeast of Luxor: 6 minutes 23 seconds (more precisely, 6 minutes 23.2 seconds). The point of greatest eclipse lies roughly 250 km farther southeast in Red Sea Governorate, where totality is slightly shorter. This makes Egypt the prime location for the eclipse’s maximum darkness and the event the longest total solar eclipse on readily accessible land in the 21st century. See #Duration.

Maximum totality in Egypt will last about 6 minutes 23 seconds because the eclipse’s central path passes there under especially favorable geometry: the Moon’s umbra crosses Earth near the point of greatest eclipse, around 60 km southeast of Luxor. This makes it the longest total solar eclipse on easily accessible land in the 21st century. See #Duration and #Path.

The Moon will reach perigee—its closest point to Earth—about 2.5 hours after the eclipse. Being so close to perigee makes its apparent diameter larger than usual, allowing it to cover the Sun more fully and producing a broader umbra that takes longer to pass a given location. Combined with the favorable alignment over Egypt, this near-perigee position enables the unusually long period of darkness. See #Eclipse details.

The August 2, 2027 eclipse will be the second-longest total solar eclipse of the 21st century. Its maximum totality will last about 6 minutes 23 seconds, compared with 6 minutes 39.5 seconds for the solar eclipse of July 22, 2009, both members of Solar Saros 136. The 2027 maximum occurs in Egypt, in the northeastern New Valley Governorate; the greatest-eclipse point lies farther southeast in Red Sea Governorate with only a slightly shorter duration. See #Duration.

It is especially accessible because the 2009 eclipse’s longest land totality occurred on remote, uninhabited North Iwo Jima, which requires special permission to visit. In contrast, the 2027 path crosses readily reachable areas of southern Spain, North Africa, Egypt, and the Middle East, including places such as Luxor, Gibraltar, Tangier, and Jeddah. This makes it the longest total eclipse on easily accessible land this century; no longer one is expected until the June 3, 2114 eclipse. See #Path.

During totality, the eclipsed Sun will lie in mid-Cancer. Venus should be readily visible if the sky is reasonably transparent. Mercury, at about magnitude −1.2 and a few degrees west of Venus, may also appear. Jupiter will lie near Regulus, roughly 20° east of the Sun; Mars will be farther east in Virgo, while Saturn will stand many degrees west of the Sun. The nearby Beehive Cluster will not be naked-eye visible.

Across most continental parts of the totality path, observers may see the stars of the Winter Hexagon. On the Arabian Peninsula, Aldebaran and Rigel will be low in the sky. In the British Indian Ocean Territory, Winter Hexagon stars will be below or close to the western horizon, but Alpha Centauri, Beta Centauri, and the Southern Cross will be high in the southern sky. See also: #Characteristics.

The paths will intersect because the August 2, 2027 eclipse and the March 20, 2034 eclipse belong to eclipse-path patterns shaped by the orbital dynamics of the Saros cycle. Although each eclipse occurs at a different time of year and follows its own track, those repeating orbital relationships place both narrow paths of totality across the southeastern coast of Egypt, less than seven years apart. See #Eclipse path intersections.

Such crossings are unusual. On average, a particular place on Earth experiences a total solar eclipse only about once every 375 years, so seeing two paths of totality overlap within roughly seven years is exceptional. Comparable recent examples include the intersections of the August 2017 and April 2024 total-eclipse paths in southern Illinois, United States, and of the August 1999 and March 2006 paths in Turkey.

The eclipse is expected to generate an exceptional tourism surge across the path of totality, particularly in southern Spain and Morocco. By December 2025—around 18 months beforehand—hotels in both areas were already reporting early sell-outs, while travel operators anticipated a multi-million-euro boost. Likely viewing hubs include Cádiz, Málaga, Almería and Granada in Spain, as well as Tangier in Morocco; Gibraltar and Ceuta also lie in the totality path. See #Economy and tourism and #Path.

Egypt is likely to be a particularly prominent destination because the eclipse reaches its greatest duration there: about 6 minutes 23 seconds, near Luxor in the New Valley/Red Sea governorate area. That accessibility makes it the longest total solar eclipse on easily accessible land in the 21st century, supporting expectations of substantial visitor interest across Egypt and other totality locations, including Algeria, Tunisia, Libya, Saudi Arabia, Yemen, Somalia, and the British Indian Ocean Territory. About 89 million people live within the path of totality—more than twice the number for the April 2024 North American eclipse—and one estimate suggests that more than 200 million people may try to view it. It is therefore expected to become the most photographed astronomical event in history. See #Duration.