"Sunday, August 25th 2013 - Time: 12:30 (UTC+10)
Millers Acre"
https://www.facebook.com/events/647823341895041/

Source: http://www.geoengineeringwatch.org/global-march-against-geoengineering-global-event-listings/

Approved: "Meet at Millers Acre (info centre) at 12.30 for march at 1pm to 1903 Square at Trafalgar Street Church Steps"
http://www.awake.net.au/protest.html