Definition: In maritime navigation, a harborage refers to the period of time that has elapsed since the start of an event or situation. It is typically used in relation to the duration over which a vessel navigates through a given body of water or under conditions similar to one, and it can be measured in hours, days, weeks, months, years, decades, centuries, millennia, or even longer periods. Harbourages are often cited as defining the time period during which a particular event occurred. For