Quick FactsEarth Hour is an annual event in which many people worldwide turn their lights off on the last Saturday in March.
|La Hora del Planeta||Spanish|
|שעת כדור הארץ||Hebrew|
Earth Hour 2014Saturday, March 29, 2014
Earth Hour 2015Saturday, March 28, 2015
List of dates for other years
Millions of people around the world switch off their lights for Earth Hour at 8.30pm (20:30) in their local times on the last Saturday of March each year. In 2013, Earth Hour occurs one week earlier, on March 23.
Make Earth Hour an event to share with your friends and family!
About Earth Hour
Earth Hour is a global WWF (formerly known as World Wildlife Fund) climate change initiative. It is an eventthat aims to create awareness of people taking responsibility towards a sustainable future by turning the lights off. Earth Hour is not to be confused with Earth Day.
What do people do?
Millions of people turn off their lights for Earth Hour at 8.30pm (20:30) in their local times on the last Saturday of March. Iconic buildings and landmarks from Europe to Asia to the Americas have stood in darkness during previous Earth Hours. Some people enjoy Earth Hour with a candle-lit dinner or a candle-lit bath, while others host large events or parties, either in darkness or with candles, to celebrate Earth Hour.
Businesses and government organizations, as well as community and political leaders also take part in Earth Hour. It's about giving people a voice on the planet’s future and working together to create a sustainable low carbon future for planet earth.
Earth Hour started in Sydney, Australia, in 2007. This event saw 2.2 million homes and businesses turn their lights off for one hour to make their stand against climate change that year. Earth Hour had become a global sustainability movement with more than 50 million people across 35 countries participating in 2008. Global landmarks such as the, Sydney Harbour Bridge, the CN Tower in Toronto, the Golden Gate Bridge in San Francisco, and Rome’s Colosseum, all stood in darkness for Earth Hour. In March 2009, hundreds of millions of people took part in the third Earth Hour.
WWF, which organizes the annual Earth Hour event, aims to stop the degradation of the earth's natural environment. It also focuses on building a future where people live in harmony with nature. The organization functions through a network of more than 90 offices in more than 40 countries worldwide. Its first office was founded in Morges, Switzerland, on September 11, 1961.
Earth Hour Observances
|Weekday||Date||Year||Name||Holiday type||Where it is observed|
|Sat||Mar 31||2007||Earth Hour||Worldwide observance|
|Sat||Mar 29||2008||Earth Hour||Worldwide observance|
|Sat||Mar 28||2009||Earth Hour||Worldwide observance|
|Sat||Mar 27||2010||Earth Hour||Worldwide observance|
|Sat||Mar 26||2011||Earth Hour||Worldwide observance|
|Sat||Mar 31||2012||Earth Hour||Worldwide observance|
|Sat||Mar 23||2013||Earth Hour||Worldwide observance|
|Sat||Mar 29||2014||Earth Hour||Worldwide observance|
|Sat||Mar 28||2015||Earth Hour||Worldwide observance|
|Sat||Mar 26||2016||Earth Hour||Worldwide observance|
|Sat||Mar 25||2017||Earth Hour||Worldwide observance|
|Sat||Mar 31||2018||Earth Hour||Worldwide observance|
|Sat||Mar 30||2019||Earth Hour||Worldwide observance|
|Sat||Mar 28||2020||Earth Hour||Worldwide observance|
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