Most people have never heard of a tide clock. A tide clock movement is provided, positioned within and supported by the base. A cylindrical element is provided comprising a cylindrical surface element with indicia thereon. A tide clock employs a tide dial and a solar time dial which are rotatably driven at different uniform rates by a timepiece. The time of the next high or low tide is indicated by alignment of selected indicia on the dials. A tide clock is a great way to learn about the cycle of the ocean, its ebb and flow, and you