The Silverlight Time Span Picker is a member of the Mindscape Silverlight Elements control suite. This control provides a way for user to easily select a TimeSpan object.

Key features include:

Contains an editable text box allowing the user to type the duration directly into the control.
The duration can be selected from the configurable suggestion list found in the drop down.
Includes up/down support using the key board or the up/down buttons.
Drop down button and up/down buttons can be displayed or hidden based on the needs of your application.
Includes 5 standard themes to get you started: Office Blue, Office Silver, Office Black, Alloy (Expression) & Alloy Light.

Silverlight Time Span Picker: