Worldwide clock

The utility model relates to a worldwide clock with a time disc. A dial disc, an hour disc, a minute pointer and a second pointer are sequentially arranged in a machine body which is provided with a machine core. In addition, a cover body is provided with a shadow zone and arranged on the machine body. The time disc is arranged on a rotating shaft of an hour pointer of the machine core. The minute pointer and the second pointer are respectively arranged on a rotating shaft of the minute pointer and a rotating shaft of the second pointer. Because of the machine core, the time disc and synchronously move with the rotation of the earth. The machine core can be fitted with 24 scale divisions pointed on the scale disc by time zone lines and 60 scale divisions pointed by the minute pointer and the second pointers. Hours, minutes and seconds of every time zone can be accurately seen, and the time of every place in the world can be observed.