Altai Krai · Russia · 53.79° N · 81.33° E
Solar position in Kamen’-na-Obi
Sun position, daylight and the best solar panel angle for Kamen’-na-Obi — computed for 53.79° N, 81.33° E, 129 m above sea level.
The sun right now
Sun in Kamen’-na-Obi today
Sunday, 25 October 2026 · local time UTC+7
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 06:22 | sun 18° below horizon |
| Nautical dawn | 07:03 | 12° below |
| Civil dawn | 07:44 | 6° below |
| Sunrise | 08:20 | 109° ESE |
| Golden hour ends | 09:11 | sun 6° up |
| Solar noon | 13:18 | 24.1° high |
| Golden hour starts | 17:25 | sun 6° up |
| Sunset | 18:16 | 250° WSW |
| Civil dusk | 18:52 | 6° below |
| Nautical dusk | 19:33 | 12° below |
| Astronomical dusk | 20:14 | 18° below |
| Day length | 9 h 56 min | |
Sun path diagram for Kamen’-na-Obi
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 59.7° at solar noon in Kamen’-na-Obi; on the December solstice only 12.8°. Sunrise swings from 46° NE in June to 131° SE in December — a 85° 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 | 09:37 | 13:46 | 17:54 | 8 h 17 min | 16.4° |
| February | 08:41 | 13:48 | 18:55 | 10 h 14 min | 25.7° |
| March | 07:35 | 13:42 | 19:49 | 12 h 14 min | 36.5° |
| April | 06:21 | 13:33 | 20:46 | 14 h 26 min | 48.1° |
| May | 05:24 | 13:31 | 21:39 | 16 h 15 min | 56.4° |
| June | 05:03 | 13:36 | 22:09 | 17 h 06 min | 59.7° |
| July | 05:31 | 13:40 | 21:50 | 16 h 19 min | 56.7° |
| August | 06:23 | 13:37 | 20:51 | 14 h 28 min | 48.3° |
| September | 07:18 | 13:27 | 19:36 | 12 h 18 min | 36.9° |
| October | 08:12 | 13:18 | 18:24 | 10 h 12 min | 25.5° |
| November | 09:12 | 13:20 | 17:28 | 8 h 16 min | 16.3° |
| December | 09:50 | 13:32 | 17:15 | 7 h 25 min | 12.8° |
A year of daylight in Kamen’-na-Obi
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 Kamen’-na-Obi
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
46°collects the most energy over a year: 1363 kWh per kWp.
76°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 | November kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1018 | 75% | 0.68 | 9.0× |
| 15° | 1202 | 88% | 1.05 | 5.2× |
| 30° | 1319 | 97% | 1.37 | 3.8× |
| 45° | 1362 | 100% | 1.62 | 3.1× |
| 46° year-round best | 1363 | 100% | 1.64 | 3.1× |
| 54° = latitude | 1352 | 99% | 1.73 | 2.9× |
| 60° | 1331 | 98% | 1.78 | 2.8× |
| 70° | 1269 | 93% | 1.84 | 2.7× |
| 76° off-grid best | 1217 | 89% | 1.84 | 2.7× |
| 90° | 1058 | 78% | 1.80 | 2.6× |
A fixed array in Kamen’-na-Obi produces the most over a year at 46°. The design month for an off-grid system is November: at 76° it makes 1.84 kWh per kWp a day, 13% more than at 46°, and costs 11% of the yearly total. Why steep panels win winter.
Off-grid solar in Kamen’-na-Obi at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 46° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 46° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 1.05 | 3.06 | 2.96 | 2.57 | -19.5 °C |
| February snow | 2.11 | 4.43 | 4.24 | 3.89 | -16.2 °C |
| March snow | 3.53 | 5.41 | 5.01 | 4.91 | -7.2 °C |
| April | 4.64 | 4.77 | 4.24 | 4.81 | 3.7 °C |
| May | 5.77 | 4.71 | 4.05 | 5.00 | 11.7 °C |
| June | 6.18 | 4.50 | 3.76 | 4.83 | 18.7 °C |
| July | 5.62 | 4.30 | 3.57 | 4.49 | 20.5 °C |
| August | 4.87 | 4.53 | 3.80 | 4.48 | 18.4 °C |
| September | 3.35 | 4.19 | 3.62 | 3.87 | 11.1 °C |
| October | 1.78 | 2.95 | 2.63 | 2.59 | 2.4 °C |
| November snow | 0.86 | 2.00 | 1.84 | 1.64 | -7.5 °C |
| December snow | 0.71 | 2.15 | 2.05 | 1.76 | -16.4 °C |
| Year | 3.38 avg | 3.91 avg | 1269 kWh | 1363 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 640 Wp of panels at 70°, versus 720 Wp at 46°. The steep array is 11% smaller for the same winter. Size your own system.
Row spacing in Kamen’-na-Obi
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.
11.8 mrow pitch at 70°
9.9 mrow pitch at 46°
How Kamen’-na-Obi compares in Russia
Against the other 979 places in Russia with climate data, for a fixed array at its best angle.
288thof 980 places in Russia for sunshine, shared: 3.38 peak sun hours a day on flat ground.
+14%solar energy a year compared with the average place in Russia: 1,363 against 1,196 kWh per kWp.
−28 mindaylight on the longest day, compared with Moscow: 17 h 06 min against 17 h 34 min.
46°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); Kamen’-na-Obi ranks joint 288th. In its darkest month, November, 1 kWp of off-grid panels at 70° makes 1.84 kWh a day here, against 1.31 kWh on average in Russia. The shortest day lasts 7 h 25 min, +25 min compared with Moscow.
Solar forecast for Kamen’-na-Obi, 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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A free, live card for Kamen’-na-Obi: 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.