Patent ID: 9705732
Date: 2017-07-11
CPC Classifications: G06Q,H04L

Claim:
1. A method of an electronic device, the method comprising: transmitting, to a counterpart electronic device, a signal for requesting information comprising a local time of the counterpart electronic device; if the information is received from the counterpart electronic device in a reference period, determining first time information of the counterpart electronic device according to the local time of the counterpart electronic device; if the information is not received in the reference period, determining the first time information according to a local time of the electronic device; when an application program for displaying time information is executed, displaying the determined first time information on a user interface (UI) for the application program; determining whether second time information of the electronic device is changed after the determining of the first time information of the counterpart electronic device; and when the second time information of the electronic device is changed, transmitting the changed second time information of the electronic device to the counterpart electronic device, wherein the determining of whether the second time information is changed comprises determining whether the local time of the electronic device is changed according to a movement of the electronic device.