Solarposition.org

Irkutsk Oblast · Russia · 56.58° N · 104.13° E

Solar position in Zheleznogorsk-Ilimskiy

Sun position, daylight and the best solar panel angle for Zheleznogorsk-Ilimskiy — computed for 56.58° N, 104.13° E, 392 m above sea level.

Sunrise today07:56111° ESE
Sunset today17:37249° WSW
Best panel angle49°year-round, facing south
Off-grid angle78°best for the darkest month

The sun right now

Azimuth180.0°
Elevation21.4°
At solar noon, 12:47Open on the sun map

Sun in Zheleznogorsk-Ilimskiy today

Sunday, 25 October 2026 · local time UTC+8

EventTimeDirection / height
Astronomical dawn05:49sun 18° below horizon
Nautical dawn06:3312° below
Civil dawn07:176° below
Sunrise07:56111° ESE
Golden hour ends08:52sun 6° up
Solar noon12:4721.4° high
Golden hour starts16:42sun 6° up
Sunset17:37249° WSW
Civil dusk18:176° below
Nautical dusk19:0112° below
Astronomical dusk19:4418° below
Day length9 h 41 min

Sun path diagram for Zheleznogorsk-Ilimskiy

Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.

15°30°45°60°75°N30°60°E120°150°S210°240°W300°330°June solstice56789101112131415161718192021EquinoxDecember solstice10111213141516Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 56.9° at solar noon in Zheleznogorsk-Ilimskiy; on the December solstice only 10.1°. Sunrise swings from 42° NE in June to 134° SE in December — a 93° 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.

MonthSunriseSolar noonSunsetDay lengthNoon elevation
January09:2013:1417:097 h 49 min13.6°
February08:1613:1718:1810 h 02 min22.9°
March07:0313:1119:1812 h 15 min33.7°
April05:4213:0220:2314 h 41 min45.3°
May04:3713:0021:2316 h 47 min53.6°
June04:1213:0521:5817 h 46 min56.9°
July04:4313:0921:3416 h 51 min53.9°
August05:4313:0620:2814 h 45 min45.5°
September06:4512:5619:0612 h 20 min34.1°
October07:4712:4717:4710 h 00 min22.8°
November08:5412:4916:437 h 49 min13.6°
December09:3613:0116:256 h 49 min10.1°

A year of daylight in Zheleznogorsk-Ilimskiy

Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.

00:0003:0006:0009:0012:0015:0018:0021:0000:00JanFebMarAprMayJunJulAugSepOctNovDec

Best solar panel angle in Zheleznogorsk-Ilimskiy

Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.

49°collects the most energy over a year: 1249 kWh per kWp.

78°gives the most in the darkest month — the one an off-grid system is sized for.

10%20%30%40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 49°Best worst-month 78°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°90372%0.3413.8×
15°107686%0.776.5×
30°119396%1.174.3×
45°1246100%1.493.3×
49° year-round best1249100%1.563.1×
57° = latitude124099%1.682.9×
60°123299%1.722.8×
70°118795%1.812.6×
78° off-grid best113090%1.852.5×
90°101581%1.842.3×

A fixed array in Zheleznogorsk-Ilimskiy produces the most over a year at 49°. The design month for an off-grid system is December: at 78° it makes 1.85 kWh per kWp a day, 18% more than at 49°, and costs 10% of the yearly total. Why steep panels win winter.

Off-grid solar in Zheleznogorsk-Ilimskiy at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 49° (year-round best).

0123456January: 2.52 (70°)2.5JanFebruary: 3.68 (70°)3.7FebMarch: 4.39 (70°)4.4MarApril: 4.72 (70°)4.7AprMay: 3.82 (70°)3.8MayJune: 3.71 (70°)3.7JunJuly: 3.55 (70°)3.6JulAugust: 3.60 (70°)3.6AugSeptember: 3.12 (70°)3.1SepOctober: 2.35 (70°)2.4OctNovember: 1.80 (70°)1.8NovDecember: 1.81 (70°)1.8Dec49°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 49°Mean temp.
January snow0.742.572.522.20-22.9 °C
February snow1.643.793.683.39-19.7 °C
March snow2.914.674.394.29-10.7 °C
April snow4.305.184.724.91-2.7 °C
May5.134.353.824.546.3 °C
June5.784.383.714.5815.3 °C
July5.334.233.554.3217.6 °C
August4.364.233.604.1314.7 °C
September2.793.563.123.306.7 °C
October snow1.452.602.352.24-2.4 °C
November snow0.731.911.801.61-13.7 °C
December snow0.471.871.811.56-22.3 °C
Year2.97 avg3.61 avg1187 kWh1249 kWh

Sizing example. To run a 1 kWh-per-day load through November on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 660 Wp of panels at 70°, versus 750 Wp at 49°. The steep array is 13% smaller for the same winter. Size your own system.

Row spacing in Zheleznogorsk-Ilimskiy

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.

16.4 mrow pitch at 70°

13.9 mrow pitch at 49°

Row spacing calculator

How Zheleznogorsk-Ilimskiy compares in Russia

Against the other 979 places in Russia with climate data, for a fixed array at its best angle.

557thof 980 places in Russia for sunshine, shared: 2.97 peak sun hours a day on flat ground.

+4%solar energy a year compared with the average place in Russia: 1,249 against 1,196 kWh per kWp.

+13 mindaylight on the longest day, compared with Moscow: 17 h 46 min against 17 h 34 min.

49°best year-round tilt here; across Russia it runs from 32° in Derbent to 54° in Yakutsk.

Of the 980 places in Russia, Novorossiysk gets the most sun (3.96 peak sun hours a day) and Polyarnyy the least (1.93); Zheleznogorsk-Ilimskiy ranks joint 557th. In its darkest month, November, 1 kWp of off-grid panels at 70° makes 1.80 kWh a day here, against 1.31 kWh on average in Russia. The shortest day lasts 6 h 49 min, −11 min compared with Moscow.

The sunniest places in Russia

Solar forecast for Zheleznogorsk-Ilimskiy, next 48 hours

Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.

Loading the latest forecast…

Questions about the sun in Zheleznogorsk-Ilimskiy

What is the best solar panel angle in Zheleznogorsk-Ilimskiy?
For a fixed array facing south, the best year-round tilt in Zheleznogorsk-Ilimskiy is 49°, worth about 1249 kWh per kWp a year. An off-grid system that has to get through December does better at about 78°.
What time is sunrise and sunset in Zheleznogorsk-Ilimskiy today?
On 25 October 2026 the sun rises at 07:56 and sets at 17:37 local time (UTC+8), giving 9 h 41 min of daylight. Solar noon is at 12:47.
How many peak sun hours does Zheleznogorsk-Ilimskiy get?
On a flat surface 3.0 hours a day averaged over the year, from 0.5 in December to 5.8 in June. Panels tilted at 70° receive 1.9 sun hours a day in November.
How high does the sun get in Zheleznogorsk-Ilimskiy?
At solar noon the sun stands 56.9° above the horizon on the June solstice and 10.1° on the December solstice.
Is Zheleznogorsk-Ilimskiy a good place for solar panels?
With 3.0 peak sun hours a day on flat ground, Zheleznogorsk-Ilimskiy ranks joint 557th of 980 places in Russia for sunshine. A 1 kWp array at the best angle (49°) makes about 1,249 kWh a year here, 4% more than the average place in Russia.

Places near Zheleznogorsk-Ilimskiy

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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.