March 19, 2016 from 8:30 to 9:30 p.m.
Turn off your lights!
What is Earth Hour? Every year in March millions of people around the world celebrate Earth Hour by turning out their non-essential lights from 8:30to 9:30 pm local time as a symbol of their commitment to the planet.
Less than three months ago, leaders from 196 nations signed a historic agreement in Paris to take collective action on climate change. Let's keep that momentum going with Earth Hour!