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 winter, Alaskan cities' daylight can range from as little as 4-5 hours up to a full 24 hours at the height of summer. Daylight averages in Anchorage during the peak visitor season (May through September) are from 14-17 hours. Keep in mind that full sun hours average 1/4 of the total daylight hours.