n. 1  1. An inborn pattern of behavior that is characteristic of a species and is often a response to specific environmental stimuli: the spawning instinct in salmon; altruistic instincts in social animals. 2  2. A powerful motivation or impulse. 3  3. An innate capability or aptitude: an instinct for tact and diplomacy.
Daylight Hours: 16 hours, 15 minutes (-6m 51s) The Sun's altitude in Fairbanks today. The horizontal line signifies the horizon, the vertical lines show the times of sunrise and sunset. Altitude and heading are displayed in the box on the right. The graph defaults to current time.
During the summer months, Alaska enjoys extended daylight hours in all parts of the state. In Barrow, Alaska's northernmost village far above the Arctic Circle, the sun doesn't set for 84 days! the state, the darkest hours of the summer night have the appearance of twilight.