Hi Jas J,
Currently, it is not possible to offset the chart (e.g. with margins). This is because the content is clipped, in order not to exceed the TimeBar's boundaries when zooming. I have forwarded your request to our developers and they will decide whether and when this will be made in future.
the Telerik team
Register for the Q2 2011 What's New Webinar Week. Mark your calendar for the week starting July 18th and book your seat for a walk through of all the exciting stuff we will ship with the new release!