APPARATUS AND METHOD FOR MANAGING MESSAGE TRANSMISSION DELAY

An apparatus for managing a message transmission delay according to an embodiment of the present invention includes a time difference calculator for obtaining local time information about a message server and calculating, based on the obtained local time information, a time difference between the local time of the message server and the local time of a client device, and a delay time calculator for calculating, when the client device receives, from the message server, a push message including transmission time information based on the local time of the message server, a delay time for the push message based on reception time information of the push message based on the local time of the client device, transmission time information included in the push message, and the time difference.