Yaroslavl Oblast · Russia · 58.05° N · 38.84° E
Solar position in Rybinsk
Sun position, daylight and the best solar panel angle for Rybinsk — computed for 58.05° N, 38.84° E, 100 m above sea level.
The sun right now
Sun in Rybinsk today
Saturday, 24 October 2026 · local time UTC+3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:07 | sun 18° below horizon |
| Nautical dawn | 05:53 | 12° below |
| Civil dawn | 06:39 | 6° below |
| Sunrise | 07:19 | 111° ESE |
| Golden hour ends | 08:18 | sun 6° up |
| Solar noon | 12:08 | 20.2° high |
| Golden hour starts | 15:58 | sun 6° up |
| Sunset | 16:56 | 249° WSW |
| Civil dusk | 17:37 | 6° below |
| Nautical dusk | 18:23 | 12° below |
| Astronomical dusk | 19:08 | 18° below |
| Day length | 9 h 37 min | |
Sun path diagram for Rybinsk
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 55.4° at solar noon in Rybinsk; on the December solstice only 8.6°. Sunrise swings from 39° NE in June to 137° SE in December — a 98° 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 | 08:49 | 12:36 | 16:22 | 7 h 33 min | 12.2° |
| February | 07:41 | 12:38 | 17:36 | 9 h 55 min | 21.5° |
| March | 06:24 | 12:32 | 18:40 | 12 h 16 min | 32.3° |
| April | 04:58 | 12:23 | 19:50 | 14 h 52 min | 43.9° |
| May | 03:48 | 12:21 | 20:55 | 17 h 06 min | 52.2° |
| June | 03:20 | 12:26 | 21:32 | 18 h 12 min | 55.4° |
| July | 03:55 | 12:30 | 21:05 | 17 h 10 min | 52.4° |
| August | 05:00 | 12:27 | 19:53 | 14 h 54 min | 44.0° |
| September | 06:06 | 12:17 | 18:27 | 12 h 20 min | 32.6° |
| October | 07:13 | 12:08 | 17:04 | 9 h 51 min | 21.2° |
| November | 08:24 | 12:10 | 15:56 | 7 h 32 min | 12.1° |
| December | 09:09 | 12:22 | 15:35 | 6 h 27 min | 8.6° |
A year of daylight in Rybinsk
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 Rybinsk
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
44°collects the most energy over a year: 1063 kWh per kWp.
82°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° | 816 | 77% | 0.17 | 26.2× |
| 15° | 952 | 90% | 0.31 | 15.3× |
| 30° | 1036 | 97% | 0.44 | 10.9× |
| 44° year-round best | 1063 | 100% | 0.54 | 8.7× |
| 45° | 1063 | 100% | 0.55 | 8.5× |
| 58° = latitude | 1039 | 98% | 0.62 | 7.1× |
| 60° | 1031 | 97% | 0.63 | 6.9× |
| 70° | 979 | 92% | 0.66 | 6.1× |
| 82° off-grid best | 886 | 83% | 0.67 | 5.8× |
| 90° | 808 | 76% | 0.66 | 5.6× |
A fixed array in Rybinsk produces the most over a year at 44°. The design month for an off-grid system is December: at 82° it makes 0.67 kWh per kWp a day, 23% more than at 44°, and costs 17% of the yearly total. Why steep panels win winter.
Off-grid solar in Rybinsk at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 44° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 44° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 0.45 | 1.35 | 1.25 | 1.04 | -11.6 °C |
| February snow | 1.25 | 2.74 | 2.56 | 2.28 | -10.5 °C |
| March snow | 2.63 | 4.32 | 3.97 | 3.77 | -5.0 °C |
| April | 3.85 | 4.21 | 3.75 | 4.15 | 2.9 °C |
| May | 5.20 | 4.54 | 3.90 | 4.72 | 11.6 °C |
| June | 5.56 | 4.32 | 3.65 | 4.60 | 15.4 °C |
| July | 5.33 | 4.34 | 3.63 | 4.50 | 18.6 °C |
| August | 4.15 | 4.13 | 3.48 | 4.01 | 16.4 °C |
| September | 2.48 | 3.22 | 2.78 | 2.90 | 10.8 °C |
| October | 1.13 | 1.89 | 1.66 | 1.60 | 3.5 °C |
| November snow | 0.42 | 1.02 | 0.91 | 0.78 | -3.1 °C |
| December snow | 0.25 | 0.73 | 0.66 | 0.54 | -8.8 °C |
| Year | 2.73 avg | 3.07 avg | 979 kWh | 1063 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 1,800 Wp of panels at 70°, versus 2,170 Wp at 44°. The steep array is 17% smaller for the same winter. Size your own system.
Row spacing in Rybinsk
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.
20.7 mrow pitch at 70°
16.2 mrow pitch at 44°
How Rybinsk compares in Russia
Against the other 979 places in Russia with climate data, for a fixed array at its best angle.
814thof 980 places in Russia for sunshine, shared: 2.73 peak sun hours a day on flat ground.
−11%solar energy a year compared with the average place in Russia: 1,063 against 1,196 kWh per kWp.
+38 mindaylight on the longest day, compared with Moscow: 18 h 12 min against 17 h 34 min.
44°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); Rybinsk ranks joint 814th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 0.66 kWh a day here, against 1.31 kWh on average in Russia. The shortest day lasts 6 h 27 min, −34 min compared with Moscow.
Solar forecast for Rybinsk, 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 Rybinsk
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A free, live card for Rybinsk: 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.