Samara Oblast · Russia · 52.98° N · 49.71° E
Solar position in Chapayevsk
Sun position, daylight and the best solar panel angle for Chapayevsk — computed for 52.98° N, 49.71° E, 39 m above sea level.
The sun right now
Sun in Chapayevsk today
Sunday, 25 October 2026 · local time UTC+4
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:29 | sun 18° below horizon |
| Nautical dawn | 06:09 | 12° below |
| Civil dawn | 06:49 | 6° below |
| Sunrise | 07:25 | 109° ESE |
| Golden hour ends | 08:15 | sun 6° up |
| Solar noon | 12:24 | 24.9° high |
| Golden hour starts | 16:34 | sun 6° up |
| Sunset | 17:24 | 251° WSW |
| Civil dusk | 18:00 | 6° below |
| Nautical dusk | 18:40 | 12° below |
| Astronomical dusk | 19:20 | 18° below |
| Day length | 9 h 59 min | |
Sun path diagram for Chapayevsk
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 60.5° at solar noon in Chapayevsk; on the December solstice only 13.7°. Sunrise swings from 47° NE in June to 130° SE in December — a 83° 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 | 08:40 | 12:52 | 17:04 | 8 h 24 min | 17.2° |
| February | 07:46 | 12:55 | 18:04 | 10 h 18 min | 26.6° |
| March | 06:41 | 12:48 | 18:55 | 12 h 14 min | 37.3° |
| April | 05:29 | 12:40 | 19:51 | 14 h 22 min | 48.9° |
| May | 04:34 | 12:37 | 20:41 | 16 h 07 min | 57.2° |
| June | 04:15 | 12:42 | 21:10 | 16 h 56 min | 60.5° |
| July | 04:41 | 12:47 | 20:52 | 16 h 11 min | 57.5° |
| August | 05:32 | 12:44 | 19:55 | 14 h 23 min | 49.1° |
| September | 06:24 | 12:33 | 18:42 | 12 h 18 min | 37.7° |
| October | 07:17 | 12:25 | 17:32 | 10 h 15 min | 26.3° |
| November | 08:15 | 12:26 | 16:38 | 8 h 23 min | 17.1° |
| December | 08:52 | 12:39 | 16:26 | 7 h 34 min | 13.7° |
A year of daylight in Chapayevsk
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 Chapayevsk
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: 1264 kWh per kWp.
79°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° | 992 | 79% | 0.41 | 12.4× |
| 15° | 1147 | 91% | 0.70 | 7.6× |
| 30° | 1239 | 98% | 0.95 | 5.5× |
| 43° year-round best | 1264 | 100% | 1.13 | 4.4× |
| 45° | 1263 | 100% | 1.16 | 4.2× |
| 53° = latitude | 1247 | 99% | 1.24 | 3.7× |
| 60° | 1217 | 96% | 1.30 | 3.4× |
| 70° | 1149 | 91% | 1.35 | 3.3× |
| 79° off-grid best | 1065 | 84% | 1.36 | 3.2× |
| 90° | 937 | 74% | 1.34 | 3.0× |
A fixed array in Chapayevsk produces the most over a year at 43°. The design month for an off-grid system is December: at 79° it makes 1.36 kWh per kWp a day, 20% more than at 43°, and costs 16% of the yearly total. Why steep panels win winter.
Off-grid solar in Chapayevsk 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 | 0.84 | 2.11 | 1.99 | 1.70 | -13.2 °C |
| February snow | 1.84 | 3.60 | 3.39 | 3.08 | -11.9 °C |
| March snow | 3.25 | 4.82 | 4.42 | 4.30 | -4.5 °C |
| April | 4.34 | 4.41 | 3.88 | 4.44 | 6.0 °C |
| May | 5.73 | 4.61 | 3.92 | 4.94 | 15.0 °C |
| June | 6.26 | 4.48 | 3.74 | 4.93 | 19.3 °C |
| July | 6.15 | 4.62 | 3.81 | 4.93 | 22.5 °C |
| August | 4.97 | 4.57 | 3.80 | 4.54 | 21.1 °C |
| September | 3.34 | 4.08 | 3.48 | 3.74 | 14.3 °C |
| October | 1.75 | 2.80 | 2.47 | 2.42 | 5.4 °C |
| November snow | 0.78 | 1.75 | 1.57 | 1.37 | -2.5 °C |
| December snow | 0.54 | 1.46 | 1.35 | 1.13 | -10.4 °C |
| Year | 3.32 avg | 3.61 avg | 1149 kWh | 1264 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 880 Wp of panels at 70°, versus 1,040 Wp at 43°. The steep array is 16% smaller for the same winter. Size your own system.
Row spacing in Chapayevsk
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.
10.9 mrow pitch at 70°
8.9 mrow pitch at 43°
How Chapayevsk compares in Russia
Against the other 979 places in Russia with climate data, for a fixed array at its best angle.
317thof 980 places in Russia for sunshine, shared: 3.32 peak sun hours a day on flat ground.
+6%solar energy a year compared with the average place in Russia: 1,264 against 1,196 kWh per kWp.
−38 mindaylight on the longest day, compared with Moscow: 16 h 56 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); Chapayevsk ranks joint 317th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.35 kWh a day here, against 1.31 kWh on average in Russia. The shortest day lasts 7 h 34 min, +34 min compared with Moscow.
Solar forecast for Chapayevsk, 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 Chapayevsk: 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.