Patent ID: 8023361

Claim:
A clock in which plural alarm times can be set, the clock comprising: a grouping portion to relate a plurality of alarm times, selected from among said plural alarm times, to a same group; a setting portion to set up activation or cancellation for said group to which said plurality of alarm times are related by said grouping portion; and an alarming portion to raise an alarm when any one of said plurality of alarm times, which are related to said group being set up to be activated, arrives; a group-halt-instruction accepting portion to, after said alarming portion raises an alarm, judge whether to set up cancellation on said group being set up to be activated, and to display a group alarm cancellation screen configured to accept a group halt instruction; and a state switching portion to, when said group has been set to activation, set to a first state and to, when said group halt instruction has been accepted after the earliest alarm time among said plurality of alarm times being related to said group being set to activation, switch from said first state to a second state, wherein said alarming portion raises an alarm on condition that said first state is set.