Earth Hour

Earth Hour is observed next on Saturday, March 29th, 2025 (279 days from today).

How many days until Earth Hour?


Earth Hour is an annual celebration that falls on the last Saturday of every March. Over the years, the environment we live in has undergone a lot of changes and the resources on the planet are being depleted and degraded. Climate changes are one of the most important factors leading to continued depletion. Therefore, it is very important to take some measures to save those natural resources in one way or another. Electricity is one of the most used resources that is often taken for granted. To make us realize the importance of saving the planet, Earth Hour is celebrated as a symbol of commitment to the planet. The day encourages all of us to turn off our lights for an hour as a way to draw attention to the need for action on climate change and the impact of environmental degradation. Earth Hour isn't just about saving energy, it's also about bringing focus to the problems facing the planet and thereby inspiring people to live more sustainably.

History of Earth Hour

Earth Hour has been celebrated since 2007. The World Wide Fund for Nature (WWF) in Sydney has organized this Awareness Day. The annual event encourages all individuals, communities and businesses to turn off non-essential lights for one hour, from 8:30 a.m. to 9:30 p.m. local time as a symbol of their commitment to the planet. Therefore, the anniversary event aims to create people's awareness of responsibility towards a sustainable future by turning off the lights. Australia's World Nature Fund in 2004 recognized scientific findings on climate change and met with an advertising agency in Sydney to "discuss ideas that appeal to Australians on climate change." climate change."

Collectively, they came up with the idea of ​​a large-scale off switch in 2006 and called it “The Big Flick”. They decided to make this idea a reality. As a result, the mayor of Sydney quickly became convinced of the importance of raising awareness about increasing electricity use and how that affects the planet. The first Earth Hour was started as a light-out event in Sydney, Australia in 2007 at 7:30pm on March 31. For the approximately 2.2 million Sydney residents, the lights in their homes and offices were turned off. The idea started to spread, and the event was a huge success, receiving a lot of positive media coverage. Since then, this holiday is popular in 172 countries and more than 7,000 cities and towns.

Earth Hour is a global climate change initiative of WWF (formerly the World Wildlife Fund). The idea of ​​Earth Hour is based on conserving energy and, therefore, choosing for a sustainable future by turning off the lights. Therefore, this event aims to create awareness among people about responsibility towards energy saving. According to experts around the world, excessive energy consumption is considered as one of the main causes of global warming. Global warming is a widespread problem of the world and by turning off unnecessary lights for an hour leads to some form of environmental change. So people not only aim to conserve energy but also raise awareness about the deteriorating environment around us, by turning off unnecessary lights for an hour.

How to Celebrate Earth Hour

Anyone residing on any continent around the globe can celebrate Earth Hour. Turn off the lights according to your local date and time to help save the planet in some way. It is important to understand that the one-hour anniversary is not only the greatest contribution to the Earth. Rather, it is our duty to take care of the planet every hour of the day. So, turn off unnecessary electrical appliances whenever not in use to save energy and reduce global warming. Companies and organizations can see this day as an opportunity to actively work together to create a sustainable low-carbon future for planet earth. You can buy more energy-saving light bulbs to save electricity. Encourage those around you to celebrate this day. You can even call them for a candlelit dinner to get into the celebratory spirit and enjoy the event. Join this event and make the world a better place to live for future generations. Make sure you're sharing your Earth Hour celebration images on social media using the hashtag #EarthHour.


Earth Hour has been observed the last Saturday in March.


Saturday, March 25th, 2023

Saturday, March 30th, 2024

Saturday, March 29th, 2025

Saturday, March 28th, 2026

Saturday, March 27th, 2027



Also on Saturday, March 29th, 2025

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