Sunrise and sunset Longyearbyen
Friday, December 21, 2018
| Start | End | |
|---|---|---|
| Morning astronomical twilight | 07:37 | 10:57 |
| Morning nautical twilight | 10:57 | - |
| Morning civil twilight | - | - |
| Sunrise and sunset | polar night | polar night |
| Evening civil twilight | - | - |
| Evening nautical twilight | - | 12:52 |
| Evening astronomical twilight | 12:52 | 16:13 |
