planetary hours
ancient system in which one of the seven classical planets is given rulership over each day and various parts of the day
en-US/ˈplænɪˌtɛɹi ˈaʊɹz/
en-GB/ˈplænɪtɹɪ ˈaʊəz/
ancient system in which one of the seven classical planets is given rulership over each day and various parts of the day