Abstract: Various configurations and arrangements of various location aware appointment management applications are disclosed. Location aware appointment management applications can track the real-time location of the appointment participants, calculate the estimated time of arrival of the appointment participants based on a variety of factors including, for example, the participants' distance from the appointment location, speed of travel to the appointment location, real-time traffic conditions of the appointment participants route of travel to the appointment location, real-time weather conditions, profile information on the participants travel habits, the participants' mode of transportation, public transportation schedules and on time data, etc.