What is the adjusted time to cook the turkey in the convection oven?

Alternatively, reduce your oven temp by 25 degrees. And in the end, you're not roasting a turkey for time, but rather to a temperature of 165 degrees.

Here's a great article from epicurious about cooking turkey in a convection oven. The general consensus is that convection cuts cooking time by about 25% so be sure to check your turkey a lot earlier than you normally would. http://www.epicurious.com/articlesguides/blogs/editor/2009/11/thanksgiving-answers-roasting-a-turkey-in-a-convection-oven.html