A cross-section of daily life takes place on two pieces of mosaics in Hatay Museum. On both pieces there is a man figure with beard trying to catch the dinner. The time shown by the sundial on the scene was described by the inscription taking place on one of the pieces. Sundials apart from the ones at Hatay Museum take place on the scenes described by the scientists or philosophers who are engaged in scientific studies. The sundial described on the mosaic in Trier among the samples of Hatay Museum pieces and others differ from the others. The sundial described here must most probably be a model belonging to a time in which sundials just improved in Hellen world. Moreover, this sundial must be a model used not to determine the time but to observe the movements of the sun. Descriptions of sundials other than Trier sample are the samples taking place on the models of Vitruvius and those gained the identity of these complex tools