Sunrise and sunset Alta
Saturday, December 18, 2021
| Start | End | |
|---|---|---|
| Morning astronomical twilight | 06:11 | 07:30 |
| Morning nautical twilight | 07:30 | 09:18 |
| Morning civil twilight | 09:18 | - |
| Sunrise and sunset | polar night | polar night |
| Evening civil twilight | - | 13:28 |
| Evening nautical twilight | 13:28 | 15:16 |
| Evening astronomical twilight | 15:16 | 16:35 |
