the unique pattern painted on a lighthouse tower to identify it from other lighthouses in the day time, such as the spiral stripes of St. Augustine or the diamonds on Cape Lookout NC.
A signboard attached to a daybeacon to convey navigational information presenting one of several standard shapes (square, triangle, rectangle) and colors (red, green, orange, yellow, or black). Daymarks usually have reflective material indicating the shape, but may also be lighted.
the colored and numbered or lettered sign placed on many beacons to identify them. Most daymarks are coated with reflective material to make them visible in a searchlight beam at night.
Unique color scheme and/or pattern that identifies a specific lighthouse during daylight hours.
A daymark is a structure such as a tower constructed on land as an aid to navigation by sailors. While similar in concept to a lighthouse, a daymark does not have a light and so can only be used during the day.
