International Day of the Tropics Jun 29, 2026

International Day of the Tropics

Observed each June 29, the International Day of the Tropics spotlights a vast region stretching between the Tropics of Cancer and Capricorn, where warmth and rainfall shape daily life. This zone covers about 40% of Earth"s surface area, yet supports around 80% of global biodiversity, making it central to planetary health and culture.

© Frederick Millett/Shutterstock

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Today in History

Celebrating the tropics
In the tropics, land greets sea warmly
Jun. 29, 2024Tour de France 2024
Jun. 29, 2025International Day of the Tropics

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Oct. 28, 2023Castilla-La Mancha, Spain
Aug. 23, 2025St. Barbaras Cathedral, Kutná Hora, Czechia
May 1, 2024Lei Day
Oct. 17, 2025Jasper Dark Sky Festival
Aug. 25, 2025Colony of northern gannets in Quebec
Ever seen garlic bloom?
You might be a red-necked grebe if…
Jan. 30, 2024Aýna, Albacete, Spain
Nov. 29, 2025Red deer stag in De Hoge Veluwe National Park, Netherlands
Happy Canada Day!
Back to the future
Feb. 21, 2026Red fox, Grand Teton National Park, Wyoming, United States
And so it begins!
Nov. 4, 2025Tower Bridge, London, England
Dec. 8, 2023La Rocque Harbour, Island of Jersey
Dec. 29, 2023Oud-West neighbourhood, Amsterdam, Netherlands
Aug. 27, 2025World Lake Day
Feb. 3, 2025Ribblehead Viaduct, North Yorkshire, England
Nov. 8, 2023West Indian manatees, Crystal River
Mar. 22, 2025Happy World Water Day!
May 10, 2024Canadian Tulip Festival
Nov. 14, 2023Russell lupines, Lake Tekapo, New Zealand
Dec. 29, 2025St. Gregory Church in Ani Ruins, Kars, Türkiye
Sep. 11, 2023French River, Ontario
Connecting the dots
‘Night shining’ clouds
A butterfly’s best friend
Jun. 29, 2025International Day of the Tropics
Isn’t this view mesmerizing?
Jul. 30, 2025International Day of Friendship