An electronic apparatus comprising: a transceiver configured to obtain time information related to an operation of an external device ; at least one processor configured to generate a clock graphical user interface, GUI, displaying the time information related to the operation of the external device ; and a display for displaying the clock GUI , wherein the clock GUI comprises an indication area and an indication object moving on the indication area , and wherein the indication object rotates with respect to a center point included in the indication area and indicates the time information related to the operation of the external device , wherein the at least one processor is further configured to: control the display to display the indication object indicating a first area corresponding to the time information from among a plurality of partial areas included in the indication area , change the time information related to the operation of the external device , based on a user input of moving the indication object by a predetermined distance from the first area, control the transceiver to transmit the changed time information to the external device , and control the display to display the indication object indicating a second area moved by the predetermined distance from the first area in the indication area , and wherein the second area corresponds to the changed time information. a transceiver configured to obtain time information related to an operation of an external device ; at least one processor configured to generate a clock graphical user interface, GUI, displaying the time information related to the operation of the external device ; and a display for displaying the clock GUI , wherein the clock GUI comprises an indication area and an indication object moving on the indication area , and wherein the indication object rotates with respect to a center point included in the indication area and indicates the time information related to the operation of the external device , wherein the at least one processor is further configured to: control the display to display the indication object indicating a first area corresponding to the time information from among a plurality of partial areas included in the indication area , change the time information related to the operation of the external device , based on a user input of moving the indication object by a predetermined distance from the first area, control the transceiver to transmit the changed time information to the external device , and control the display to display the indication object indicating a second area moved by the predetermined distance from the first area in the indication area , and wherein the second area corresponds to the changed time information. control the display to display the indication object indicating a first area corresponding to the time information from among a plurality of partial areas included in the indication area , change the time information related to the operation of the external device , based on a user input of moving the indication object by a predetermined distance from the first area, control the transceiver to transmit the changed time information to the external device , and control the display to display the indication object indicating a second area moved by the predetermined distance from the first area in the indication area , and wherein the second area corresponds to the changed time information. <EOS>