Earth Hour 2025: Date, Time, and How to Join the Movement

Have you made plans to celebrate Earth Hour 2025 and spread awareness about this meaningful environmental movement?

Environmental concerns are no longer just the responsibility of governments, social organizations, or volunteer groups—they have become a global issue that affects everyone. Various environmental initiatives help raise awareness about our impact on the planet. Among them, Earth Hour stands out as a simple yet effective way to reduce environmental harm.

So, when will Earth Hour 2025 take place, and at what time? Let's find out in this article.

1. When Is Earth Hour 2025?

Earth Hour is an annual global movement organized by the World Wide Fund for Nature (WWF) on the last Saturday of March. Originating in Australia, the movement quickly spread worldwide due to its positive environmental impact.

Each year, the date changes, so to ensure you don’t miss out, remember that Earth Hour always falls on the last Saturday of March. The first Earth Hour event took place on March 31, 2007, in Australia.

For 2025, Earth Hour will be on Saturday, March 22.

• In 2024, Earth Hour was on Saturday, March 23.
• In 2023, Earth Hour was on Saturday, March 25.
• In 2022, Earth Hour was on Saturday, March 26.

Earth Hour is a globally recognized movement (Photo: BBC)

2. What Time Does the Power Cut Happen?

Earth Hour takes place from 8:30 PM to 9:30 PM (local time) in every participating country. During this one-hour period, individuals, businesses, and communities turn off non-essential electrical devices to conserve energy.

The initiative raises awareness about climate change and encourages long-term actions to protect the environment.

Earth Hour Blackout Moments Over the Years

2007

Earth Hour was first held in Australia in 2007

2024

A look back at major cities switching off their lights for Earth Hour over the years

2023

The Philippines participating in Earth Hour 2023

2022

Singapore joins Earth Hour 2022 (Photo: Earthhour.org)

>>> Tham khảo thêm: Beyond the Blackout: 11 Fun and Impactful Earth Hour Activities

3. What Is Earth Hour, and Why Was It Created?

Earth Hour is an annual global event initiated by WWF, encouraging individuals, households, businesses, and organizations worldwide to turn off non-essential lights for one hour on the last Saturday of March.

>>> Check out: Earth Hour: How a Simple Act Became a Global Movement

The Purpose of Earth Hour:

• Raise Awareness – It highlights climate change, energy conservation, and environmental protection.
• Encourage Action – The movement promotes real-world steps toward sustainability, not just for an hour but throughout the year.
• Symbolize Global Unity – Earth Hour represents worldwide solidarity in fighting climate change and building a sustainable future.

Nguyễn Huệ Walking Street in Vietnam during Earth Hour 2020 (Photo: Tuổi Trẻ News) 

Conclusion

Earth Hour is a meaningful movement promoting environmental awareness through simple yet effective actions like turning off unnecessary lights. Mark your calendar for March 22, 2025, and be part of the change!

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