Daylight varies depending on your location in the Arctic.
For instance during summer months in Nome the sun rises at approximately 4:20 am and sets at 1:40 am though, given the long twilight that occurs it doesn’t get completely dark. In contrast, the city of Utqiagvik (Barrow) has a sunrise approximately May 10 that doesn’t set until August 2, totaling 82 days of sunlight.
During winter months Nome's shortest day of daylight is just under four hours. Meanwhile, in Utqiagvik (Barrow), the sun does not rise for 51 days, ranging from November to January.
Visit the Sunrise/Sunset website for a detailed calendar for any city at www.sunrisesunset.com.