Selecting and providing context information relevant to a user at a particular time and location. Input parameters such as a location and time are selected. Context information is obtained for the selected location and time based on the input parameters. Exemplary input parameters include a user activity history, user content such as calendar appointments, social networking data, and a state of a computing device of the user (e.g., as collected by sensors of the computing device). The computing device of the user presents the obtained context information to the user at the selected location and time.