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Longest Solar Eclipse of the Century Will Turn Day to Night for Over 6 Minutes, Allowing Star Gazing; Won’t Recur for 156 Years

Author profile image Alisson Ficher
Written by Alisson Ficher Published on 24/06/2026 at 13:08 Updated on 24/06/2026 at 13:09
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Rare astronomical phenomenon is expected to turn daylight into darkness for a few minutes, with privileged observation in specific regions of Europe, North Africa, and the Middle East, in addition to mobilizing scientists and eclipse chasers around the world.

The total solar eclipse of August 2, 2027 is among the most anticipated astronomical phenomena of this century, as its path of totality will cross areas of Europe, North Africa, and the Middle East.

At the point of greatest duration, located near Luxor, Egypt, the total phase is expected to reach about 6 minutes and 22 seconds, according to the United States National Solar Observatory.

In this alignment, the Moon will be between the Earth and the Sun, completely blocking the solar disk for observers positioned within the central path of the eclipse.

With the momentary interruption of direct light, the sky loses brightness, the solar corona becomes visible, and the landscape takes on a twilight appearance in broad daylight.

Although the phenomenon involves several countries, the experience will not be the same at all points crossed by the lunar shadow.

The path of totality will pass through southern Spain, Gibraltar, Morocco, Algeria, Tunisia, Libya, Egypt, Saudi Arabia, Yemen, and Somalia, as well as parts of the Atlantic and Indian Oceans.

In Spain, the 2027 event will have a greater impact in the south of the country, with cities like Cádiz and Málaga positioned within the total observation route.

Before that, however, the Iberian Peninsula will have another important episode, as a total solar eclipse will cross northern Spain on August 12, 2026.

This 2026 eclipse will include regions such as Galicia, Asturias, Cantabria, Basque Country, Navarra, and Aragon, increasing the anticipation of European observers in a short interval between two significant events.

Total solar eclipse of 2027 will have exceptional duration

The expected duration for the 2027 eclipse draws attention because few events of this type manage to maintain the totality phase close to six minutes.

According to data from the National Solar Observatory, the longest period of darkness will occur near Luxor and will reach 6 minutes and 22 seconds, making the phenomenon the second longest total solar eclipse of the 21st century.

The difference between observing a partial eclipse and being within the path of totality completely changes the experience of the phenomenon.

Outside the central band, the Sun appears only partially covered and the sky does not darken completely; within it, the Moon covers the entire solar disk during specific moments.

In this brief window, the solar corona can be seen directly, provided the observer is in the correct location and follows safety guidelines.

For this reason, astronomers and amateur observers often plan trips in advance, seeking points close to the central line of the shadow cast by the Moon.

Even a small difference in location can reduce the duration of totality or turn the observation into only a partial experience, without the complete darkening of the sky.

Another essential point involves eye protection during all partial phases of the eclipse, when sunlight still poses a risk to those looking directly at the Sun.

NASA advises that observation without specific glasses should only occur during the brief moments of totality, when the Moon completely covers the solar disk.

Spain will have a rare sequence of solar eclipses

European interest in the subject has gained momentum because Spain will have an unusual sequence of solar eclipses visible in different regions of the country.

In 2026, the band of totality will cross the Iberian Peninsula from west to east, passing through provincial capitals such as A Coruña, León, Bilbao, Zaragoza, and Valencia.

In this previous event, the National Geographic Institute of Spain reports that the northern half of the country will see the eclipse as total, while the southern half will experience the phenomenon partially.

The maximum duration of totality will be 2 minutes and 18 seconds, near Iceland, before the lunar shadow moves towards Spanish territory.

In the Basque Country, participation in the 2026 eclipse will be significant, but the experience will depend on the exact point chosen for observation.

According to the official Eklipsea portal of the Basque government, some areas will see only a partial eclipse, while others will have totality lasting less or more than a minute.

Within this scenario, Álava appears as one of the most favorable areas in Euskadi to witness the totality of the 2026 eclipse.

The regional platform also highlights that terrain, location, and position relative to the band of totality directly influence the quality of observation in the Basque Country.

Why the sky darkens during totality

The darkening occurs because the Moon casts its shadow over a narrow area of the Earth, temporarily interrupting the direct arrival of sunlight.

For those within this band, the change alters the brightness, affects the perceived temperature, and modifies the appearance of the sky for a few moments.

During totality, the solar corona becomes visible to the naked eye, provided the observation takes place in a safe location and within the appropriate band.

This detail has great scientific importance, as the outer region of the solar atmosphere is normally obscured by the Sun’s intense brightness.

In the 2027 eclipse, the longest visual experience will be concentrated in regions close to the central line of the path, especially in northern Africa.

In Spain, the south of the country will be on the path of the 2027 event, while the north will have prominence in the 2026 eclipse.

This separation helps to avoid confusion between information from different events, as the upcoming solar eclipses will have different paths, durations, and regional impacts.

The eclipse with a duration close to 6 minutes and 23 seconds is the one in 2027, with its maximum in Egypt; the reference to the Basque Country and Álava is linked to the total eclipse of August 12, 2026.

For the Brazilian public, the 2027 phenomenon will not offer the same experience of totality observed in the central regions of the path.

Data from Time and Date indicate that Brazil will only see a partial occurrence on August 2, 2027, without the start or end of the total phase in the national territory.

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Alisson Ficher

A journalist who graduated in 2017 and has been active in the field since 2015, with six years of experience in print magazines, stints at free-to-air TV channels, and over 12,000 online publications. A specialist in politics, employment, economics, courses, and other topics, he is also the editor of the CPG portal. Professional registration: 0087134/SP. If you have any questions, wish to report an error, or suggest a story idea related to the topics covered on the website, please contact via email: alisson.hficher@outlook.com. We do not accept résumés!

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