Amur Oblast · Russia · 53.74° N · 127.26° E
Solar position in Zeya
Sun position, daylight and the best solar panel angle for Zeya — computed for 53.74° N, 127.26° E, 221 m above sea level.
The sun right now
Sun in Zeya today
Sunday, 25 October 2026 · local time UTC+9
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:18 | sun 18° below horizon |
| Nautical dawn | 05:59 | 12° below |
| Civil dawn | 06:40 | 6° below |
| Sunrise | 07:16 | 109° ESE |
| Golden hour ends | 08:07 | sun 6° up |
| Solar noon | 12:14 | 24.2° high |
| Golden hour starts | 16:21 | sun 6° up |
| Sunset | 17:12 | 250° WSW |
| Civil dusk | 17:49 | 6° below |
| Nautical dusk | 18:30 | 12° below |
| Astronomical dusk | 19:10 | 18° below |
| Day length | 9 h 56 min | |
Sun path diagram for Zeya
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 Zeya; on the December solstice only 12.9°. 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 | 08:33 | 12:42 | 16:50 | 8 h 17 min | 16.4° |
| February | 07:38 | 12:44 | 17:51 | 10 h 14 min | 25.7° |
| March | 06:32 | 12:38 | 18:45 | 12 h 13 min | 36.5° |
| April | 05:17 | 12:29 | 19:42 | 14 h 25 min | 48.1° |
| May | 04:20 | 12:27 | 20:35 | 16 h 14 min | 56.4° |
| June | 04:00 | 12:32 | 21:05 | 17 h 05 min | 59.7° |
| July | 04:27 | 12:37 | 20:46 | 16 h 19 min | 56.7° |
| August | 05:19 | 12:33 | 19:47 | 14 h 28 min | 48.4° |
| September | 06:14 | 12:23 | 18:33 | 12 h 19 min | 37.0° |
| October | 07:08 | 12:15 | 17:21 | 10 h 13 min | 25.6° |
| November | 08:07 | 12:16 | 16:25 | 8 h 17 min | 16.4° |
| December | 08:46 | 12:28 | 16:11 | 7 h 25 min | 12.9° |
A year of daylight in Zeya
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 Zeya
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
52°collects the most energy over a year: 1533 kWh per kWp.
75°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° | 1052 | 69% | 0.68 | 7.3× |
| 15° | 1282 | 84% | 1.40 | 3.7× |
| 30° | 1443 | 94% | 2.04 | 2.7× |
| 45° | 1524 | 99% | 2.56 | 2.3× |
| 52° year-round best | 1533 | 100% | 2.75 | 2.2× |
| 54° = latitude | 1532 | 100% | 2.80 | 2.2× |
| 60° | 1520 | 99% | 2.92 | 2.1× |
| 70° | 1471 | 96% | 3.05 | 2.0× |
| 75° off-grid best | 1433 | 93% | 3.09 | 2.0× |
| 90° | 1270 | 83% | 3.07 | 2.4× |
A fixed array in Zeya produces the most over a year at 52°. The design month for an off-grid system is December: at 75° it makes 3.09 kWh per kWp a day, 12% more than at 52°, and costs 7% of the yearly total. Why steep panels win winter.
Off-grid solar in Zeya at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 52° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 52° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 1.23 | 3.55 | 3.55 | 3.23 | -28.5 °C |
| February snow | 2.41 | 5.24 | 5.16 | 4.87 | -24.3 °C |
| March snow | 4.12 | 6.55 | 6.19 | 6.13 | -13.1 °C |
| April snow | 5.14 | 5.70 | 5.16 | 5.59 | -0.8 °C |
| May | 5.21 | 4.24 | 3.68 | 4.36 | 9.2 °C |
| June | 6.05 | 4.41 | 3.71 | 4.55 | 16.9 °C |
| July | 5.25 | 4.02 | 3.34 | 4.03 | 19.8 °C |
| August | 4.54 | 4.17 | 3.51 | 4.03 | 17.1 °C |
| September | 3.43 | 4.26 | 3.72 | 3.96 | 9.2 °C |
| October snow | 2.19 | 4.18 | 3.81 | 3.68 | -2.3 °C |
| November snow | 1.33 | 3.73 | 3.59 | 3.31 | -17.7 °C |
| December snow | 0.92 | 3.06 | 3.05 | 2.75 | -27.9 °C |
| Year | 3.49 avg | 4.42 avg | 1471 kWh | 1533 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 390 Wp of panels at 70°, versus 430 Wp at 52°. The steep array is 10% smaller for the same winter. Size your own system.
Row spacing in Zeya
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.
11.7 mrow pitch at 70°
10.5 mrow pitch at 52°
How Zeya compares in Russia
Against the other 979 places in Russia with climate data, for a fixed array at its best angle.
243rdof 980 places in Russia for sunshine, shared: 3.49 peak sun hours a day on flat ground.
+28%solar energy a year compared with the average place in Russia: 1,533 against 1,196 kWh per kWp.
−28 mindaylight on the longest day, compared with Moscow: 17 h 05 min against 17 h 34 min.
52°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); Zeya ranks joint 243rd. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 3.05 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 Zeya, 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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Questions about the sun in Zeya
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A free, live card for Zeya: 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.