Specific weekday before and after determination device, specific weekday before and after judgment program, specific weekday before and after determination method, daylight saving time determination device and watch

摘要

PROBLEM TO BE SOLVED: To provide a device for determining before and after specified day of day of week, in which even an electronic apparatus without a multiplier/divider and an incorporated calendar can speedily determine whether an objective day of determination is before or after a specified day, and a program size can be made small.;SOLUTION: The device for determining before and after specified day of day of week is provided with a present time input means, a specified day data storing means in which the month M0, the day DW0, a first candidate day DS, and a last candidate day DE of the specified day are previously stored and a determining means determining whether the objective day of determination, which is inputted by comparing data inputted by the present time input means with data stored in the specified day data storing means, is before or after the specified day.;COPYRIGHT: (C)2011,JPO&INPIT