Functionality:
-Event reminder with event location
-Push notifications at exact time to leave for the event
-Time calculation of trip from set location (home) to event location
-Clicking on notification open Google Maps with navigation to the event

User enters upcoming event with the start location (whether you start from home or somewhere you anticipate to be that day) and event location. Application calculates travel time between these locations and notifies user at exact time to leave for the event and it offers Google Maps navigation to the event.