Computer systems, methods and software for responding to remote clients with content selected based on when the request is made. The method may include selecting one or more interface components based on the time of day and/or date of the request, and returning a response including the selected interface components. The method may include adjusting the time for a time zone for the remote client and/or user. Interface components may be fully embedded in the response, or may be references to external components. Interface components may include data relating to a user task associated with the date and/or time of day, formatting information for displaying the task data to the user of the remote client, instructions for user interaction with the task data, etc.