Earth Hour 2018

Switch off to join the future

Saturday March 24

8:30 - 9:30pm local time


Be part of the world's largest environmental movement

Earth Hour is the world’s largest grassroots movement for climate change action. Millions of people in over 180 countries take part in Earth Hour by switching off their lights as a symbolic gesture to show that our planet needs stronger action on climate change.

On Saturday, 24th March 2018, switch off for Earth Hour. Switch off for the future of our planet.

Did you switch off?

Register here to #JoinTheFuture

Countries & Territories


Cities & Towns


Aussie 'Lights Out' in 2017