What time would 7am to 9pm pacific time be in Queensland, Cairns?

I want to call blizzard phone support a href="http://us.blizzard.com/support/article.xml?locale=en_US&articleId=20606&rhtml=true%3Frhtml%3Dy" rel="nofollow"http://us.blizzard.com/support/article.x…/a but they're only open from 7am to 8pm pacific time. I live in Queensland(Cairns) what time would 7am to 9pm pacific time be in Queensland(Cairns), Australia?