--- title: Earth Hour - March 27th at 8:30pm description: Earth Hour - March 27th at 8:30pm --- [1-858-228-3771](tel:1-858-228-3771) [![SpeakInc](https://blog.speakinc.com/hs-fs/hubfs/speakinc-logo.png?width=197&height=48&name=speakinc-logo.png "SpeakInc")](http://speakinc.com/) - [Speakers](http://speakinc.com/speaker) - [Individual Speakers](http://speakinc.com/speaker) - [Speaker News](http://speakinc.com/speaker-news/) - [About](http://speakinc.com/about) - [Our Team](http://speakinc.com/our-team) - [Careers](http://speakinc.com/about/careers) - [Blog](https://blog.speakinc.com/our-blog) - [FAQ](http://speakinc.com/faq) - [Contact Us](http://speakinc.com/contact-us) - [Request Consultation](http://speakinc.com/contact/request-consultation) - [Become a SpeakInc Speaker](http://speakinc.com/contact-us/become-a-speakinc-speaker/) # SpeakInc Blog # Earth Hour - March 27th at 8:30pm by [Chris](https://blog.speakinc.com/author/chris) | March 27, 2010 - [Tweet](https://twitter.com/share) On Earth Hour millions of people and organizations around the world will make a bold statement about their concern for climate change by turning off their lights for one hour.  To participate, flip off your lights on March 27th at 8:30 p.m. local time.  At 8:30 p.m. local time, Earth Hour will once again cascade around the globe.  Last year, 80 million Americans and 318 U.S. cities flipped their light switch. For information on environmentally conscious speakers, visit [speakinc.com](http://www.speakinc.com/) or call 800-677-3324. Topics: [Blog](https://blog.speakinc.com/topic/blog) ### Written by [Chris](https://blog.speakinc.com/author/chris) [![Need more information? Let our experts take the guesswork out of planning this key element of your next meeting and find the right keynote speaker for your event.  ](https://no-cache.hubspot.com/cta/default/421388/interactive-209241923181.png)](https://blog.speakinc.com/hs/cta/wi/redirect?encryptedPayload=AVxigLJ8IUYHg9MNGhgI53vDtO2wXjPEadaemGJxOQO50RQSiHtdHW7bnJMSlOb%2FhjUBEOOgjXPbJguFq2OTk%2FeXG%2BOE24CLeIAZlwuJVgcKE7Po72140akfareo7e5Kne0DyiwJncnI%2FFNcdBU9iukZRwWK8sKXEQD3aEcB3ea%2BbZMr2S831SVTGEv4C4PD7YQEwuN00%2FPQGGu3&webInteractiveContentId=209241923181&portalId=421388) Name/Category Search ### **Don't Miss Out!** Get monthly email notifications of our latest articles that include: - Keynote Speaker Highlights - Conference & Event Planning Tips - Free Resources - Industry News [1-858-228-3771](tel:1-858-228-3771) **SpeakInc.** 10680 Treena Street, Suite 230 San Diego, CA 92131 - [Home](http://spki10347s.elevatoragency.com/) - [Privacy Policy](http://spki10347s.elevatoragency.com/privacy-policy/) - [Terms & Conditions](http://spki10347s.elevatoragency.com/terms-conditions/) - [Live Chat](http://spki10347s.elevatoragency.com/creating-complete-well-done-conference-website/#live-chat) - - - - ### Sign Up for Industry News Disclaimer: Speak Inc. Speakers Bureau is not responsible for errors, omissions or outdated information on this website. The material presented on this site is provided by the speakers who are accountable for any copyright information including licensing fees if required. Speak Inc. Speakers Bureau has permission to post the biographies, topics, photos and videos with the understanding from the speakers that the information presented is legally owned by them. © 2026 SpeakInc. All rights reserved.