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.
In the winter, the Interior gets about 4, maybe 4 1/2 hours of daylight. Barrow bids farewell to the sun entirely for about 6 weeks, and places like Anchorage or Juneau have around 6 or 7 hours of daylight. Again, for Barrow, though the sun technically never rises, there's still light around the edges of the horizon, so it's not pitch black 24/7.