OFF
ON
Earth Hour 2023
Click the light switch to turn off the lights!
Scroll down to learn more
Click the switch to turn off
the lights
What is Earth Hour?
Started by WWF and partners as a symbolic lights-out event in Sydney in 2007, Earth Hour is now one of the world's largest grassroots movements for the environment. By switching off your lights on March 25 at 8:30pm, you will join millions of others in 190 countries in support of our planet. Click on the boxes below to learn more.
How long should
I switch off
my lights?
60 minutes
Yes! Turn off or unplug any unnecessary appliances
Can I do
anything else
besides turning
off my lights?
8:30pm local
time on
March 25, 2023
What time
should I
switch off
my lights?
What can I do in the dark...
if I like to exercise?
Candlelit yoga
Empire State Building
New York City, NY
The Venetian®
Las Vegas, NV
...and more!
Space Needle
Seattle, WA
Participating landmarks
if I want to be outdoors?
Stargazing or walking outdoors
if I'm a film connoisseur?
Host a movie trivia night
if I want to ground myself?
Guided meditation
if I want to relax?
Take a bath
if I enjoy taking photos?
City skyline photography
if I'm competitive?
Play board games
by candlelight
Earth Hour video background
Earth Hour Video Conferencing Background
Download your free video conferencing background to share your support for Earth Hour 2023.
Download your free video conferencing background to share your support for Earth Hour 2023.
Willis Tower
Chicago, IL
Get young learners involved in Earth Hour with this packet from WWF's Wild Classroom. Inside you'll find arts and crafts, green tips, and a customizable certificate of achievement.
The Earth Hour education packet
Click to download
Click to download
MoMA
New York City, NY
