Sunrise and sunset Porsgrunn
Thursday, September 17, 2026
| Start | End | |
|---|---|---|
| Morning astronomical twilight | 04:29 | 05:24 |
| Morning nautical twilight | 05:24 | 06:14 |
| Morning civil twilight | 06:14 | 06:55 |
| Sunrise and sunset | 06:55 | 19:34 |
| Evening civil twilight | 19:34 | 20:15 |
| Evening nautical twilight | 20:15 | 21:05 |
| Evening astronomical twilight | 21:05 | 21:59 |
