When is the Evaluation Copy of Windows 8 Consumer Preview Expires?

To know expiry date of your windows 8 consumer preview
 Open the RUN command (by Window key +R )  and then type WINVER and click OK.
 Then the window with the title ABOUT WINDOWS showing your Product details and expiry date opens.

Windows 8 evaluation copy Expiry date

With Thanks and regards,
          Dinesh R