An electronic timer system includes a first unit. The first unit includes a memory device configured to store predetermined parking rule data, a timer device configured to determine at least one of a day, a date and a time of day, and an alert device configured to emit an alert in accordance with the predetermined parking rule data and based on at least one of the day, the date and the time of day determined by the timer device. A method includes storing predetermined parking rule data in a memory device, determining at least one of a day, a date and a time of day, and emitting an alert in accordance with the predetermined parking rule data stored in the storing step and at least one of the day, the date and the time of day determined in the determining step.