Østfold · Norway · 59.12° N · 11.39° E
Solar position in Halden
Sun position, daylight and the best solar panel angle for Halden — computed for 59.12° N, 11.39° E, 15 m above sea level.
The sun right now
Sun in Halden today
Saturday, 24 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:56 | sun 18° below horizon |
| Nautical dawn | 06:43 | 12° below |
| Civil dawn | 07:30 | 6° below |
| Sunrise | 08:13 | 112° ESE |
| Golden hour ends | 09:14 | sun 6° up |
| Solar noon | 12:58 | 19.1° high |
| Golden hour starts | 16:42 | sun 6° up |
| Sunset | 17:43 | 248° WSW |
| Civil dusk | 18:25 | 6° below |
| Nautical dusk | 19:12 | 12° below |
| Astronomical dusk | 19:59 | 18° below |
| Day length | 9 h 30 min | |
Sun path diagram for Halden
Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.
- June solstice
- Equinox
- December solstice
- Today
On the June solstice the sun reaches 54.3° at solar noon in Halden; on the December solstice only 7.6°. Sunrise swings from 37° NE in June to 139° SE in December — a 102° arc along the horizon.
Sunrise, sunset and sun height by month
Values for the 21st of each month, local clock time including daylight saving time.
| Month | Sunrise | Solar noon | Sunset | Day length | Noon elevation |
|---|---|---|---|---|---|
| January | 08:45 | 12:26 | 16:06 | 7 h 20 min | 11.1° |
| February | 07:33 | 12:28 | 17:23 | 9 h 50 min | 20.5° |
| March | 06:13 | 12:22 | 18:30 | 12 h 17 min | 31.2° |
| April | 05:43 | 13:13 | 20:43 | 15 h 00 min | 42.8° |
| May | 04:30 | 13:11 | 21:52 | 17 h 22 min | 51.1° |
| June | 03:59 | 13:16 | 22:32 | 18 h 33 min | 54.3° |
| July | 04:37 | 13:20 | 22:03 | 17 h 26 min | 51.3° |
| August | 05:46 | 13:17 | 20:47 | 15 h 01 min | 42.9° |
| September | 06:56 | 13:07 | 19:17 | 12 h 21 min | 31.5° |
| October | 08:05 | 12:58 | 17:51 | 9 h 45 min | 20.1° |
| November | 08:21 | 12:00 | 15:38 | 7 h 18 min | 11.0° |
| December | 09:08 | 12:12 | 15:16 | 6 h 08 min | 7.6° |
A year of daylight in Halden
Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.
Best solar panel angle in Halden
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
45°collects the most energy over a year: 1068 kWh per kWp.
81°gives the most in the darkest month — the one an off-grid system is sized for.
- Yearly energy
- Worst-month energy
| Tilt | kWh/kWp per year | Share of best year | December kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 809 | 76% | 0.13 | 36.2× |
| 15° | 951 | 89% | 0.27 | 18.9× |
| 30° | 1039 | 97% | 0.40 | 12.9× |
| 45° year-round best | 1068 | 100% | 0.50 | 9.7× |
| 59° = latitude | 1041 | 97% | 0.57 | 7.7× |
| 60° | 1037 | 97% | 0.58 | 7.6× |
| 70° | 984 | 92% | 0.60 | 6.5× |
| 81° off-grid best | 898 | 84% | 0.61 | 5.7× |
| 90° | 808 | 76% | 0.61 | 5.2× |
A fixed array in Halden produces the most over a year at 45°. The design month for an off-grid system is December: at 81° it makes 0.61 kWh per kWp a day, 22% more than at 45°, and costs 16% of the yearly total. Why steep panels win winter.
Off-grid solar in Halden at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 45° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 45° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 0.31 | 1.00 | 0.89 | 0.74 | -2.8 °C |
| February snow | 0.90 | 2.05 | 1.85 | 1.64 | -2.6 °C |
| March snow | 2.32 | 3.89 | 3.51 | 3.40 | 0.5 °C |
| April | 3.86 | 4.39 | 3.87 | 4.25 | 5.6 °C |
| May | 5.17 | 4.58 | 3.95 | 4.73 | 10.6 °C |
| June | 5.88 | 4.64 | 3.93 | 4.90 | 14.5 °C |
| July | 5.33 | 4.41 | 3.71 | 4.54 | 16.9 °C |
| August | 4.16 | 4.16 | 3.52 | 4.02 | 16.0 °C |
| September | 2.74 | 3.74 | 3.21 | 3.32 | 12.2 °C |
| October | 1.27 | 2.49 | 2.17 | 2.05 | 6.8 °C |
| November | 0.44 | 1.24 | 1.09 | 0.94 | 2.6 °C |
| December snow | 0.20 | 0.69 | 0.60 | 0.50 | -1.3 °C |
| Year | 2.73 avg | 3.11 avg | 984 kWh | 1068 kWh |
Sizing example. To run a 1 kWh-per-day load through December on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 1,950 Wp of panels at 70°, versus 2,340 Wp at 45°. The steep array is 17% smaller for the same winter. Size your own system.
Row spacing in Halden
Distance between rows of 2 m long panels (slope length) so that no row shades the next between 10:00 and 14:00 solar time on the winter solstice.
25.8 mrow pitch at 70°
20.3 mrow pitch at 45°
How Halden compares in Norway
Against the other 39 places in Norway with climate data, for a fixed array at its best angle.
3rdof 40 places in Norway for sunshine, shared: 2.73 peak sun hours a day on flat ground.
+10%solar energy a year compared with the average place in Norway: 1,068 against 967 kWh per kWp.
−17 mindaylight on the longest day, compared with Oslo: 18 h 33 min against 18 h 50 min.
45°best year-round tilt here; across Norway it runs from 42° in Bergen to 48° in Tromsø.
Of the 40 places in Norway, Grimstad gets the most sun (2.78 peak sun hours a day) and Tromsø and one other place the least (1.95); Halden ranks joint 3rd. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 0.60 kWh a day here, against 0.41 kWh on average in Norway. The shortest day lasts 6 h 08 min, +15 min compared with Oslo.
Solar forecast for Halden, next 48 hours
Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.
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Questions about the sun in Halden
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Places near Halden
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A free, live card for Halden: where the sun is right now on today's path, a countdown to sunset or sunrise, the daylight change, the moon phase at night and the best panel angle.
Sun positions: NREL Solar Position Algorithm. Climate: NASA POWER monthly climatology (NASA Langley Research Center). Forecast: Deutscher Wetterdienst, ICON-EU (CC BY 4.0), processed. Places: GeoNames (CC BY 4.0). Time zones: IANA. Sources and licences.