Provided are a cloud server, a client terminal, and a method for providing a time shift operation in a cloud computing system. The cloud server includes: a receiver which receives control information from the client terminal; and a controller which generates image information based on the received control information, wherein the generated image information is converted to an image data file, the image data file is stored in a storage space for the cloud server, according to a pre-set criterion, and is transmitted to the client terminal. Accordingly, a user of the client terminal may view a screen that was viewed in the past.