Earth Hour 2026: 20th Anniversary Observed on 28 March
Why in the news
Earth Hour 2026 is being observed on Saturday, 28 March, from 8:30 pm to 9:30 pm local time. The event marks 20 years since the WWF-led campaign began.
Key facts
- Date and time: Saturday, 28 March 2026, one hour from 8:30 pm local time.
- Organiser: World Wide Fund for Nature (WWF).
- Theme: ‘Give an Hour for Earth’.
- Milestone: the 20th year of Earth Hour.
- Action: participants switch off non-essential lights to show commitment to the environment.
| Item | Detail |
|---|---|
| First held | 31 March 2007, Sydney, Australia |
| Participants in 2007 | About 2.2 million, per one report |
| 2026 edition | 28 March, 8:30-9:30 pm |
About Earth Hour
Earth Hour began as a lights-off initiative by WWF and partners in Sydney as a way for people to show commitment to the environment.
Exam angle
- Organiser: WWF; first venue: Sydney; first year: 2007.
- Duration is one hour, starting 8:30 pm local time.
- Anniversary years and themes are common Important Days questions.