Khabarovsk · Russia · 47.53° N · 134.76° E
Solar position in Vyazemskiy
Sun position, daylight and the best solar panel angle for Vyazemskiy — computed for 47.53° N, 134.76° E, 76 m above sea level.
The sun right now
Sun in Vyazemskiy today
Sunday, 25 October 2026 · local time UTC+10
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:50 | sun 18° below horizon |
| Nautical dawn | 06:26 | 12° below |
| Civil dawn | 07:02 | 6° below |
| Sunrise | 07:33 | 107° ESE |
| Golden hour ends | 08:17 | sun 6° up |
| Solar noon | 12:44 | 30.4° high |
| Golden hour starts | 17:12 | sun 6° up |
| Sunset | 17:55 | 253° WSW |
| Civil dusk | 18:27 | 6° below |
| Nautical dusk | 19:03 | 12° below |
| Astronomical dusk | 19:38 | 18° below |
| Day length | 10 h 22 min | |
Sun path diagram for Vyazemskiy
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 65.9° at solar noon in Vyazemskiy; on the December solstice only 19.1°. Sunrise swings from 53° NE in June to 125° SE in December — a 72° 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 | 08:39 | 13:12 | 17:44 | 9 h 05 min | 22.6° |
| February | 07:56 | 13:14 | 18:32 | 10 h 36 min | 31.9° |
| March | 07:02 | 13:08 | 19:14 | 12 h 11 min | 42.7° |
| April | 06:02 | 12:59 | 19:58 | 13 h 56 min | 54.3° |
| May | 05:17 | 12:57 | 20:38 | 15 h 21 min | 62.6° |
| June | 05:03 | 13:02 | 21:02 | 15 h 59 min | 65.9° |
| July | 05:24 | 13:07 | 20:49 | 15 h 24 min | 63.0° |
| August | 06:04 | 13:04 | 20:03 | 13 h 59 min | 54.6° |
| September | 06:45 | 12:53 | 19:01 | 12 h 16 min | 43.2° |
| October | 07:27 | 12:45 | 18:02 | 10 h 35 min | 31.8° |
| November | 08:13 | 12:46 | 17:19 | 9 h 05 min | 22.6° |
| December | 08:45 | 12:58 | 17:11 | 8 h 26 min | 19.1° |
A year of daylight in Vyazemskiy
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 Vyazemskiy
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
47°collects the most energy over a year: 1525 kWh per kWp.
63°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° | 1126 | 74% | 1.39 | 3.8× |
| 15° | 1334 | 87% | 2.07 | 2.4× |
| 30° | 1470 | 96% | 2.66 | 2.0× |
| 45° | 1524 | 100% | 3.09 | 1.9× |
| 47° year-round best | 1525 | 100% | 3.14 | 1.8× |
| 48° = latitude | 1525 | 100% | 3.16 | 1.8× |
| 60° | 1494 | 98% | 3.35 | 1.7× |
| 63° off-grid best | 1478 | 97% | 3.38 | 1.7× |
| 70° | 1429 | 94% | 3.42 | 1.9× |
| 90° | 1200 | 79% | 3.29 | 2.7× |
A fixed array in Vyazemskiy produces the most over a year at 47°. The design month for an off-grid system is November: at 63° it makes 3.38 kWh per kWp a day, 8% more than at 47°, and costs 3% of the yearly total. Why steep panels win winter.
Off-grid solar in Vyazemskiy at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 47° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 47° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 1.89 | 4.79 | 4.68 | 4.20 | -21.5 °C |
| February snow | 3.07 | 6.05 | 5.81 | 5.48 | -17.2 °C |
| March snow | 4.32 | 6.17 | 5.72 | 5.75 | -7.4 °C |
| April | 4.64 | 4.26 | 3.78 | 4.44 | 3.5 °C |
| May | 5.28 | 3.91 | 3.35 | 4.25 | 11.9 °C |
| June | 5.53 | 3.72 | 3.11 | 4.09 | 17.8 °C |
| July | 5.32 | 3.72 | 3.07 | 3.97 | 21.3 °C |
| August | 4.60 | 3.81 | 3.17 | 3.85 | 19.9 °C |
| September | 3.90 | 4.33 | 3.71 | 4.11 | 13.6 °C |
| October | 2.66 | 4.09 | 3.64 | 3.69 | 3.8 °C |
| November snow | 1.67 | 3.68 | 3.42 | 3.14 | -7.7 °C |
| December snow | 1.41 | 3.74 | 3.63 | 3.24 | -19.4 °C |
| Year | 3.69 avg | 4.35 avg | 1429 kWh | 1525 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 380 Wp of panels at 70°, versus 380 Wp at 47°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Vyazemskiy
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.
7.3 mrow pitch at 70°
6.5 mrow pitch at 47°
How Vyazemskiy compares in Russia
Against the other 979 places in Russia with climate data, for a fixed array at its best angle.
159thof 980 places in Russia for sunshine, shared: 3.69 peak sun hours a day on flat ground.
+28%solar energy a year compared with the average place in Russia: 1,525 against 1,196 kWh per kWp.
−1 h 35 mindaylight on the longest day, compared with Moscow: 15 h 59 min against 17 h 34 min.
47°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); Vyazemskiy ranks joint 159th. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 3.07 kWh a day here, against 1.31 kWh on average in Russia. The shortest day lasts 8 h 26 min, +1 h 26 min compared with Moscow.
Solar forecast for Vyazemskiy, 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 Vyazemskiy: 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.