| abstract |
(57) [Problem] To provide a lighting control method and a lighting system capable of obtaining an appropriate light environment according to a human biological rhythm. A quiescent period P1 in human biological rhythms To automatically control at least some of the operations 、 and × so that the lighting 1 contains a lot of low color temperature light, and the lighting period P2 becomes the lighting 2 containing a lot of high color temperature light. At this time, the control of the lighting is performed according to a schedule arbitrarily set by an individual irrespective of the universal diurnal change of the external condition. |