Earth Hour 2019

Duration: 2 hours
Event7+ Years
30 March 2019, 7.30–9.30pm Sydney Observatory Book Tickets


Join us at the historic Sydney Observatory to get an unrivaled view of the night sky as the city switches its lights off for Earth Hour 2019. Discover this inspiring global initiative and enjoy an evening of community, astronomy and climate action. We will switch off the lights for an hour at 8:30pm, as we join with millions of others around the country showing support for climate change action.

In celebration of the 2019 Earth Hour theme, #Connect2Earth, enjoy an evening of talks from environmental experts and hands-on activities for the family. Our astronomers will guide you through the wonders of the night sky with telescope viewings* and stargazing in the courtyard.

Schedule and Activities:

  • 7.30–9.30pm – View the stars through telescopes* with Sydney Observatory Astronomers and the Sydney City Skywatchers
  • 7.30–9.30pm – Work together to create an interactive shadow puppet universe and discover the constellations and their stories
  • 7.40 pm – Learn about Sydney’s Urban Wild with a talk by WIRES campaign manager Kristie Newton
  • 8.05pm – Reflect on the uniqueness of our home planet with geophysicist Dietmar Muller (University of Sydney)
  • 7.40pm & 8.10pm – Join a guided walk around the grounds with biologist Michelle Power (Macquarie University) and hear all about the resident flying foxes of Observatory Hill
  • 7.30–9.30pm – Enjoy free music in the Sydney Observatory courtyard
  • 7.30–9.30pm – Music by Richard Galluzzi and Friends

Bring your own picnic to enjoy under the stars or bring your own mug and enjoy a complimentary coffee or tea.

*This program is held regardless of the weather. If viewing the stars through the telescopes is not possible due to sky conditions, additional activities will be arranged. Tickets are non-refundable.


About Earth Hour

What started in Australia in 2007 is now celebrated in over 180 countries and 7,000 cities and towns worldwide. Now in its 13th year, the symbolic hour where millions of individuals and businesses switch off their lights has grown into the world’s largest grassroots movement for the environment. For more information visit


MAAS Member Adult$19
MAAS Member Concession$15
MAAS Member Child$15
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