July 20, 2026 · Porsgrunn, Norway
Porsgrunn has 17h 32m of daylight today. Sunrise is at 04:42 and sunset is at 22:14. All times are calculated astronomically for Porsgrunn's exact coordinates.
Porsgrunn lies at 59°N. At this latitude, day length varies significantly through the year — from roughly 7–8 hours in midwinter to 16–17 hours at midsummer.
Day length changes fastest near the spring and autumn equinoxes and slowest near the longest day and shortest day of the year. See the year chart to visualise how daylight hours shift month by month for Porsgrunn, or see daylight hours for every day of the year.
The longest day in Porsgrunn is around 18h 33m (around June 21). The shortest is around 6h 8m (around December 21). Days are currently getting shorter — losing about 4 minutes per day.
| Month | Day length | Sunrise | Sunset |
|---|---|---|---|
| January | 6h 55m | 09:04 | 15:59 |
| February | 9h 16m | 07:58 | 17:15 |
| March | 11h 43m | 06:40 | 18:23 |
| April | 14h 27m | 06:09 | 20:35 |
| May | 16h 55m | 04:51 | 21:46 |
| June | 18h 30m | 04:08 | 22:38 |
| July | 17h 50m | 04:33 | 22:23 |
| August | 15h 34m | 05:40 | 21:14 |
| September | 12h 55m | 06:50 | 19:45 |
| October | 10h 18m | 07:59 | 18:17 |
| November | 7h 45m | 08:14 | 15:59 |
| December | 6h 12m | 09:11 | 15:23 |