Bump. How is the current sender's time being determined?

> When opening a message in KMail,
> there is a gray rectangle area above the message containing
> the basic To/From/Subject information.
> 
> In Trinity there is a blue box at the right side of the
> gray area. The blue box uses a gradient background and
> contains the current time of the person who sent the
> message.
> 
> There is a related configuration option in Appearance,
> Message Window, named "Show current sender time."
> 
> How is the current sender's time being determined? Is this
> a local calculation or is KMail fetching data from somewhere
> online before calculating and displaying the time?