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Summer Solstice: Sunday, June 21, 2026, brings the longest day of the year

From La Presse · () French

Translated from French, summarized and contextualized by DistantNews.

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  • The summer solstice, marking the official start of astronomical summer in the Northern Hemisphere, occurs on Sunday, June 21, 2026.
  • This day will feature approximately 16 hours of daylight, making it the longest day of the year, accompanied by the shortest night.
  • The phenomenon is reversed in the Southern Hemisphere, where June 21 marks the winter solstice, bringing the shortest day and longest night.

Astronomical summer officially begins in the Northern Hemisphere on Sunday, June 21, 2026, with the summer solstice. This day will be the longest of the year, offering about 16 hours of daylight between sunrise and sunset, according to Abdelhafidh Tayahi, vice-president of the Tunisian Society of Astronomy.

Tayahi explained on National Radio that this period of maximum daylight will also bring the shortest night of the year to the northern half of the globe. The situation is reversed in the Southern Hemisphere, where June 21 signifies the winter solstice. Residents there will experience their shortest day and longest night of the year.

The summer solstice also coincides with the International Day of the Sun. This global event is celebrated with numerous activities, workshops, and scientific events dedicated to astronomy.

this period of maximum daylight will be accompanied, conversely, by the shortest night of the year for the northern half of the globe.

— Abdelhafidh Tayahivice-president of the Tunisian Society of Astronomy, explaining the significance of the summer solstice.
DistantNews Editorial

Originally published by La Presse in French. Translated, summarized, and contextualized by our editorial team with added local perspective. Read our editorial standards.

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