A disklike global clock is disclosed. A transparent disk is arranged on the top of the hour hand axial, and the world map, which is of the south half global spread about the south pole as center, is adhered under the disk. The world map has been drawed with time zone lines once per 15 DEG on the Greenwich name time, and forms 24 time zones. The dial is a ring outside the disk. The dial is provided with 24 indicating lines and numbers. A transparent cover of glass, which is mounted over the dial, is applied with a transparent film which is of half bright and half dark. The invention can indicate the local time of the respective regions on the world. Its shape is beautiful and has well useful and decorative effects.