The sundial of the present invention comprises a hemisphere having a concave curved surface and formed with a semicircular inner groove and a rim formed at the entrance of the inner groove of the hemisphere, A pulp diluted with water is formed by compression molding in a mold, and a groove corresponding to a season line marked with a line in the 24th season is formed in the inner groove of the semicircular shape, and a line corresponding to a visual line indicating time with a line A visual groove formed in the mold at the time of press molding; An optical needle adhered and fixed to a visual point at which the visual groove of the normal state overlaps; And a pedestal on which the hemisphere of the active stage is raised and fixed.
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