Solarposition.org

Primorye · Russia · 43.11° N · 132.35° E

Solar position in Bol'šoj Kamen'

Sun position, daylight and the best solar panel angle for Bol'šoj Kamen' — computed for 43.11° N, 132.35° E, 18 m above sea level.

Sunrise today07:35106° ESE
Sunset today18:12254° WSW
Best panel angle43°year-round, facing south
Off-grid angle47°best for the darkest month

The sun right now

Azimuth180.0°
Elevation34.8°
At solar noon, 12:54Open on the sun map

Sun in Bol'šoj Kamen' today

Sunday, 25 October 2026 · local time UTC+10

EventTimeDirection / height
Astronomical dawn06:00sun 18° below horizon
Nautical dawn06:3312° below
Civil dawn07:066° below
Sunrise07:35106° ESE
Golden hour ends08:15sun 6° up
Solar noon12:5434.8° high
Golden hour starts17:33sun 6° up
Sunset18:12254° WSW
Civil dusk18:426° below
Nautical dusk19:1512° below
Astronomical dusk19:4818° below
Day length10 h 37 min

Sun path diagram for Bol'šoj Kamen'

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 solstice67891011121314151617181920EquinoxDecember solstice91011121314151617Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 70.3° at solar noon in Bol'šoj Kamen'; on the December solstice only 23.5°. Sunrise swings from 56° NE in June to 122° ESE in December — a 66° 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
January08:3613:2118:079 h 32 min27.0°
February08:0013:2418:4810 h 49 min36.3°
March07:1213:1819:2312 h 11 min47.1°
April06:1913:0919:5913 h 40 min58.7°
May05:4113:0720:3314 h 51 min67.1°
June05:3113:1220:5315 h 23 min70.3°
July05:4913:1620:4314 h 54 min67.4°
August06:2213:1320:0413 h 42 min59.0°
September06:5613:0319:1012 h 14 min47.6°
October07:3012:5518:1910 h 48 min36.2°
November08:1012:5617:429 h 32 min27.0°
December08:3813:0817:388 h 59 min23.5°

A year of daylight in Bol'šoj Kamen'

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 Bol'šoj Kamen'

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

43°collects the most energy over a year: 1450 kWh per kWp.

47°gives the most in the darkest month — the one an off-grid system is sized for.

40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 43°Best worst-month 47°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°113678%1.472.9×
15°131491%2.212.0×
30°142198%2.841.7×
43° year-round best = latitude1450100%3.261.5×
45°1450100%3.311.5×
47° off-grid best1448100%3.361.5×
60°140097%3.601.7×
70°132591%3.671.9×
90°108875%3.542.7×

A fixed array in Bol'šoj Kamen' produces the most over a year at 43°. The design month for an off-grid system is December: at 47° it makes 3.36 kWh per kWp a day, 3% more than at 43°, and costs 0% of the yearly total. Why steep panels win winter.

Off-grid solar in Bol'šoj Kamen' at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 43° (year-round best).

0123456January: 4.21 (70°)4.2JanFebruary: 4.80 (70°)4.8FebMarch: 4.90 (70°)4.9MarApril: 3.63 (70°)3.6AprMay: 3.04 (70°)3.0MayJune: 2.67 (70°)2.7JunJuly: 2.53 (70°)2.5JulAugust: 2.87 (70°)2.9AugSeptember: 3.71 (70°)3.7SepOctober: 3.91 (70°)3.9OctNovember: 3.72 (70°)3.7NovDecember: 3.67 (70°)3.7Dec43°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 43°Mean temp.
January snow2.114.454.213.79-12.6 °C
February snow3.055.134.804.56-9.3 °C
March snow4.135.374.904.99-2.4 °C
April4.814.103.634.464.7 °C
May5.123.543.044.0910.6 °C
June5.023.182.673.7215.7 °C
July4.623.062.533.4519.6 °C
August4.493.472.873.6620.8 °C
September4.264.373.714.2516.2 °C
October3.174.473.914.038.6 °C
November snow2.154.103.723.48-1.2 °C
December snow1.753.913.673.26-10.2 °C
Year3.73 avg4.09 avg1325 kWh1450 kWh

Sizing example. To run a 1 kWh-per-day load through July on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 470 Wp of panels at 70°, versus 360 Wp at 43°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Bol'šoj Kamen'

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.

5.8 mrow pitch at 70°

5.2 mrow pitch at 43°

Row spacing calculator

How Bol'šoj Kamen' compares in Russia

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

113thof 980 places in Russia for sunshine, shared: 3.73 peak sun hours a day on flat ground.

+21%solar energy a year compared with the average place in Russia: 1,450 against 1,196 kWh per kWp.

−2 h 11 mindaylight on the longest day, compared with Moscow: 15 h 23 min against 17 h 34 min.

43°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); Bol'šoj Kamen' ranks joint 113th. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 2.53 kWh a day here, against 1.31 kWh on average in Russia. The shortest day lasts 8 h 59 min, +1 h 59 min compared with Moscow.

The sunniest places in Russia

Solar forecast for Bol'šoj Kamen', 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 Bol'šoj Kamen'

What is the best solar panel angle in Bol'šoj Kamen'?
For a fixed array facing south, the best year-round tilt in Bol'šoj Kamen' is 43°, worth about 1450 kWh per kWp a year. An off-grid system that has to get through December does better at about 47°.
What time is sunrise and sunset in Bol'šoj Kamen' today?
On 25 October 2026 the sun rises at 07:35 and sets at 18:12 local time (UTC+10), giving 10 h 37 min of daylight. Solar noon is at 12:54.
How many peak sun hours does Bol'šoj Kamen' get?
On a flat surface 3.7 hours a day averaged over the year, from 1.8 in December to 5.1 in May. Panels tilted at 70° receive 3.1 sun hours a day in July.
How high does the sun get in Bol'šoj Kamen'?
At solar noon the sun stands 70.3° above the horizon on the June solstice and 23.5° on the December solstice.
Is Bol'šoj Kamen' a good place for solar panels?
With 3.7 peak sun hours a day on flat ground, Bol'šoj Kamen' ranks joint 113th of 980 places in Russia for sunshine. A 1 kWp array at the best angle (43°) makes about 1,450 kWh a year here, 21% more than the average place in Russia.

Places near Bol'šoj Kamen'

All places in Russia

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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.