This paper argues that the Voynich Manuscript is not a linear herbal or plant catalog, but a time-based medical system structured around real hours following dawn. Each lived hour activates one or more ordinal domains, which determine what plants, oils, and actions are available at that moment. These domains do not correspond one-to-one with hours and may overlap, because each hour is shaped by both innate humoral disposition and illness humor. The manuscript consistently uses the verb ordinat to describe how choices are made within this system. While ordinat functions grammatically as an ordinary verb meaning “to order” or “to arrange,” its repeated use within an ordinal framework shows that it also orders the ordinal domains themselves, not just the substances named in the text. Permission language (such as licet) indicates what is allowed within a given hour, while ordinat establishes priority among multiple valid options. Read this way, the manuscript’s non-linear layout, delayed ordinal labels, and apparent omissions are not anomalies, but features of a coherent operational system governed by time, humors, and ordered availability.