Let’s Support Earth Hour 2009 Please support Earth Hour 2009. Turn off your lights or reduce energy usage on March 28, 2009 (Saturday) 8:30 – 9:30 PM. Or better yet, know and get involved and take action about climate changes and how to preserve our precious planet. Earth Hour Official Website Get Free Email Updates!Signup now and receive an email once I publish new content. I will never give away, trade or sell your email address. You can unsubscribe at any time.