Dayan is a surname found in several countries and often associated with historical figures.

Researchers studied patients with dayblindness to understand why some people lose vision in bright light.

The captain used the daybeacons along the shoreline to guide the vessel into the harbor.

The captain adjusted the vessel's course to avoid the submerged shoal after sighting the rusty daybeacon on the starboard side.

Scholars often refer to Dayabhaga when discussing inheritance disputes in Bengal.

The philosopher criticized dayawism for ignoring empirical evidence.