Nizhny Novgorod Oblast · Russia · 56.15° N · 44.20° E
Solar position in Kstovo
Sun position, daylight and the best solar panel angle for Kstovo — computed for 56.15° N, 44.20° E, 127 m above sea level.
The sun right now
Sun in Kstovo today
Sunday, 25 October 2026 · local time UTC+3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:49 | sun 18° below horizon |
| Nautical dawn | 05:32 | 12° below |
| Civil dawn | 06:16 | 6° below |
| Sunrise | 06:55 | 111° ESE |
| Golden hour ends | 07:50 | sun 6° up |
| Solar noon | 11:46 | 21.7° high |
| Golden hour starts | 15:43 | sun 6° up |
| Sunset | 16:38 | 249° WSW |
| Civil dusk | 17:17 | 6° below |
| Nautical dusk | 18:00 | 12° below |
| Astronomical dusk | 18:43 | 18° below |
| Day length | 9 h 43 min | |
Sun path diagram for Kstovo
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 57.3° at solar noon in Kstovo; on the December solstice only 10.5°. Sunrise swings from 43° NE in June to 134° SE in December — a 91° 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 | 08:17 | 12:14 | 16:11 | 7 h 54 min | 14.1° |
| February | 07:15 | 12:17 | 17:19 | 10 h 04 min | 23.4° |
| March | 06:03 | 12:10 | 18:18 | 12 h 15 min | 34.2° |
| April | 04:42 | 12:02 | 19:22 | 14 h 40 min | 45.8° |
| May | 03:39 | 11:59 | 20:21 | 16 h 42 min | 54.1° |
| June | 03:15 | 12:04 | 20:54 | 17 h 40 min | 57.3° |
| July | 03:46 | 12:09 | 20:31 | 16 h 45 min | 54.3° |
| August | 04:45 | 12:06 | 19:26 | 14 h 41 min | 45.9° |
| September | 05:46 | 11:55 | 18:05 | 12 h 19 min | 34.5° |
| October | 06:46 | 11:47 | 16:47 | 10 h 01 min | 23.1° |
| November | 07:52 | 11:48 | 15:45 | 7 h 53 min | 14.0° |
| December | 08:33 | 12:01 | 15:28 | 6 h 55 min | 10.5° |
A year of daylight in Kstovo
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 Kstovo
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: 1121 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° | 874 | 78% | 0.25 | 18.9× |
| 15° | 1013 | 90% | 0.45 | 10.9× |
| 30° | 1097 | 98% | 0.64 | 7.8× |
| 43° year-round best | 1121 | 100% | 0.77 | 6.3× |
| 45° | 1120 | 100% | 0.79 | 6.1× |
| 56° = latitude | 1099 | 98% | 0.87 | 5.2× |
| 60° | 1083 | 97% | 0.89 | 4.9× |
| 70° | 1026 | 92% | 0.93 | 4.3× |
| 81° off-grid best | 936 | 84% | 0.95 | 4.1× |
| 90° | 843 | 75% | 0.94 | 4.0× |
A fixed array in Kstovo produces the most over a year at 43°. The design month for an off-grid system is December: at 81° it makes 0.95 kWh per kWp a day, 23% more than at 43°, and costs 16% of the yearly total. Why steep panels win winter.
Off-grid solar in Kstovo at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 43° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 43° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 0.58 | 1.61 | 1.50 | 1.26 | -12.4 °C |
| February snow | 1.39 | 2.85 | 2.68 | 2.39 | -11.2 °C |
| March snow | 2.84 | 4.40 | 4.04 | 3.88 | -5.1 °C |
| April | 3.97 | 4.21 | 3.73 | 4.19 | 3.6 °C |
| May | 5.43 | 4.60 | 3.94 | 4.84 | 12.7 °C |
| June | 5.73 | 4.35 | 3.66 | 4.69 | 16.3 °C |
| July | 5.65 | 4.47 | 3.73 | 4.70 | 19.3 °C |
| August | 4.45 | 4.28 | 3.60 | 4.21 | 17.5 °C |
| September | 2.73 | 3.42 | 2.94 | 3.11 | 11.5 °C |
| October | 1.30 | 2.12 | 1.87 | 1.81 | 3.8 °C |
| November snow | 0.53 | 1.24 | 1.11 | 0.95 | -3.2 °C |
| December snow | 0.34 | 1.03 | 0.93 | 0.77 | -9.8 °C |
| Year | 2.92 avg | 3.22 avg | 1026 kWh | 1121 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 1,260 Wp of panels at 70°, versus 1,530 Wp at 43°. The steep array is 18% smaller for the same winter. Size your own system.
Row spacing in Kstovo
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.
15.4 mrow pitch at 70°
12.2 mrow pitch at 43°
How Kstovo compares in Russia
Against the other 979 places in Russia with climate data, for a fixed array at its best angle.
605thof 980 places in Russia for sunshine, shared: 2.92 peak sun hours a day on flat ground.
−6%solar energy a year compared with the average place in Russia: 1,121 against 1,196 kWh per kWp.
+6 mindaylight on the longest day, compared with Moscow: 17 h 40 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); Kstovo ranks joint 605th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 0.93 kWh a day here, against 1.31 kWh on average in Russia. The shortest day lasts 6 h 55 min, −5 min compared with Moscow.
Solar forecast for Kstovo, 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 Kstovo: 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.