© WWF-Canada / Frank Parhizgar Students light candles in dark for earth hour

Earth Hour

Earth Hour is Saturday March 28, 2026. How will your school celebrate?

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Overview

Earth Hour

Power down and experience the electrifying energy of Earth Hour as it sweeps across the planet on March 28, 2026, at 8:30 p.m., local time. Switch off in solidarity with global efforts to protect nature and reduce energy use.

We are inviting you to join us, share your classroom’s Earth Hour story and record your students’ actions. Together, let’s show the impact that students and schools can make for nature!

REGISTER

Key Dates

  • March 28, 2026
    Celebrate Earth Hour this month
  • June 30, 2026
    Deadline to record your results

Look At How We're Doing

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Students light candles in dark for earth hour