Device and method for calculating time

摘要

Problem to be solved: to provide a time calculating device and a time calculating method capable of avoiding the effect of rollover of the week number included in the time information transmitted from the satellite.The time calculating apparatus according to one aspect of the embodiment includes a receiver, an update section, and a computing section.The receiving section receives the first time information including the week number and the second time information transmitted from the second satellite transmitted from the first satellite.The update section updates the reference week number as the reference of the current time calculation based on the second time information received by the receiving section.The calculation unit calculates the current time based on the week number received by the receiver and the reference weekly number updated by the update unit.Diagram