Sunrise and sunset Porsgrunn
Sunday, December 21, 2025
| Start | End | |
|---|---|---|
| Morning astronomical twilight | 06:36 | 07:26 |
| Morning nautical twilight | 07:26 | 08:21 |
| Morning civil twilight | 08:21 | 09:15 |
| Sunrise and sunset | 09:15 | 15:23 |
| Evening civil twilight | 15:23 | 16:18 |
| Evening nautical twilight | 16:18 | 17:12 |
| Evening astronomical twilight | 17:12 | 18:02 |
