Utilizing a spatial calendar device and service, the user can associate an event reminder to a location in space. The location can be fed into the device manually, from the map unit, GIS address book unit, or from the current reading of the GPS unit, as well as any other source of GPS location media. An event reminder can be text and/or audio to remind the user of a specific thing to do or pick once he or she approaches the location. Examples: once at the parking lot of an airport (inside the car or in the vicinity of the car), the user can associate a reminder (text, audio, or visual) to the location of his/her vehicle at the airport. In this case the system will automatically read the GPS location of the car and will prompt the user to enter an audio or text event reminder.