Important DaysSaturday, 28 March 2026·The Hindu
Earth Hour 2026 marks 20 years of WWF’s global climate movement on 28 March
Earth Hour 2026 was observed on 28 March 2026 from 8:30 PM to 9:30 PM with the theme “Give an Hour for Earth”.
Key highlights
Direct fact
On 28 March 2026, Earth Hour was observed globally from 8:30 PM to 9:30 PM local time, marking 20 years since the movement began and carrying the theme “Give an Hour for Earth”.
Key specifics
- Earth Hour 2026 was observed on Saturday, 28 March 2026.
- The event ran from 8:30 PM to 9:30 PM local time.
- The theme for 2026 was “Give an Hour for Earth”.
- The first Earth Hour took place on 31 March 2007 in Sydney.
- In 2008, 371 cities in 35 countries participated in Earth Hour.
Exam lens
Important days and environment question, 28 March 2026, WWF, 2007 Sydney launch, 371 cities in 35 countries in 2008 — TNPSC may ask theme, year, and origin of Earth Hour.