LIGHTING SYSTEM

PROBLEM TO BE SOLVED: To provide a lighting system convenient for a user in ending a timer function.SOLUTION: A lighting system includes a lighting part, a control part for controlling the lighting part, and an operation part for accepting an instruction for processing by the control part. The operation part includes first instruction means for accepting instructions to set automatic timer mode for controlling turning on/off of the lighting part according to a set time and second instruction means for accepting other processing instructions which control the lighting part. When it accepts an instruction from the second instruction means after automatic timer mode operation is started, the control part cancels the setting of the automatic timer mode.