To provide a calendar which is capable of repeatedly displaying dates semipermanently and of hardly consuming power.

An electrophoretic display calendar, provided with date display electrodes corresponding to respective months in a calendar date column includes: an electrophoretic display part, comprising an electrophoretic display layer having microcapsules between a pair of substrates facing each other one or both of which are transparent; and a display control function having a power supply function for driving the electrophoretic display part, a calendar holding function of holding calendar information, and a function of switching to voltage application to a date display electrode corresponding to a month in response to the change to the month.