Silesia · Poland · 49.82° N · 19.05° E
Solar position in Bielsko-Biala
Sun position, daylight and the best solar panel angle for Bielsko-Biala — computed for 49.82° N, 19.05° E, 330 m above sea level.
The sun right now
Sun in Bielsko-Biala today
Saturday, 24 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:31 | sun 18° below horizon |
| Nautical dawn | 06:09 | 12° below |
| Civil dawn | 06:46 | 6° below |
| Sunrise | 07:19 | 107° ESE |
| Golden hour ends | 08:05 | sun 6° up |
| Solar noon | 12:27 | 28.4° high |
| Golden hour starts | 16:49 | sun 6° up |
| Sunset | 17:35 | 252° WSW |
| Civil dusk | 18:08 | 6° below |
| Nautical dusk | 18:46 | 12° below |
| Astronomical dusk | 19:23 | 18° below |
| Day length | 10 h 16 min | |
Sun path diagram for Bielsko-Biala
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 63.6° at solar noon in Bielsko-Biala; on the December solstice only 16.8°. Sunrise swings from 51° NE in June to 127° SE in December — a 76° 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 | 07:30 | 11:55 | 16:20 | 8 h 50 min | 20.4° |
| February | 06:43 | 11:57 | 17:12 | 10 h 30 min | 29.7° |
| March | 05:44 | 11:51 | 17:58 | 12 h 13 min | 40.5° |
| April | 05:39 | 12:42 | 19:46 | 14 h 07 min | 52.1° |
| May | 04:51 | 12:40 | 20:30 | 15 h 39 min | 60.4° |
| June | 04:35 | 12:45 | 20:55 | 16 h 20 min | 63.6° |
| July | 04:59 | 12:50 | 20:40 | 15 h 42 min | 60.6° |
| August | 05:42 | 12:46 | 19:50 | 14 h 08 min | 52.2° |
| September | 06:28 | 12:36 | 18:44 | 12 h 16 min | 40.8° |
| October | 07:14 | 12:28 | 17:41 | 10 h 26 min | 29.4° |
| November | 07:05 | 11:29 | 15:53 | 8 h 48 min | 20.3° |
| December | 07:38 | 11:41 | 15:44 | 8 h 06 min | 16.8° |
A year of daylight in Bielsko-Biala
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 Bielsko-Biala
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
39°collects the most energy over a year: 1100 kWh per kWp.
76°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° | 903 | 82% | 0.54 | 8.0× |
| 15° | 1024 | 93% | 0.83 | 5.3× |
| 30° | 1089 | 99% | 1.08 | 4.0× |
| 39° year-round best | 1100 | 100% | 1.21 | 3.4× |
| 45° | 1094 | 100% | 1.28 | 3.1× |
| 50° = latitude | 1083 | 98% | 1.33 | 2.9× |
| 60° | 1040 | 95% | 1.41 | 2.6× |
| 70° | 973 | 88% | 1.45 | 2.3× |
| 76° off-grid best | 922 | 84% | 1.46 | 2.2× |
| 90° | 775 | 70% | 1.43 | 1.8× |
A fixed array in Bielsko-Biala produces the most over a year at 39°. The design month for an off-grid system is December: at 76° it makes 1.46 kWh per kWp a day, 21% more than at 39°, and costs 16% of the yearly total. Why steep panels win winter.
Off-grid solar in Bielsko-Biala at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 39° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 39° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 0.88 | 1.84 | 1.67 | 1.43 | -4.3 °C |
| February snow | 1.60 | 2.67 | 2.42 | 2.21 | -2.8 °C |
| March | 2.77 | 3.42 | 3.06 | 3.23 | 1.4 °C |
| April | 4.11 | 3.90 | 3.41 | 4.02 | 7.6 °C |
| May | 4.85 | 3.71 | 3.17 | 4.13 | 12.6 °C |
| June | 5.22 | 3.63 | 3.05 | 4.16 | 16.4 °C |
| July | 5.16 | 3.73 | 3.11 | 4.17 | 18.6 °C |
| August | 4.58 | 3.95 | 3.31 | 4.09 | 18.4 °C |
| September | 3.25 | 3.66 | 3.14 | 3.44 | 13.2 °C |
| October | 1.98 | 2.94 | 2.57 | 2.53 | 7.8 °C |
| November | 1.01 | 1.86 | 1.64 | 1.49 | 3.0 °C |
| December snow | 0.70 | 1.62 | 1.45 | 1.21 | -2.3 °C |
| Year | 3.02 avg | 3.08 avg | 973 kWh | 1100 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 810 Wp of panels at 70°, versus 970 Wp at 39°. The steep array is 17% smaller for the same winter. Size your own system.
Row spacing in Bielsko-Biala
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.
8.5 mrow pitch at 70°
6.8 mrow pitch at 39°
How Bielsko-Biala compares in Poland
Against the other 343 places in Poland with climate data, for a fixed array at its best angle.
74thof 344 places in Poland for sunshine, shared: 3.02 peak sun hours a day on flat ground.
+1%solar energy a year compared with the average place in Poland: 1,100 against 1,094 kWh per kWp.
−26 mindaylight on the longest day, compared with Warsaw: 16 h 20 min against 16 h 47 min.
39°best year-round tilt here; across Poland it runs from 39° in Warsaw to 41° in Bartoszyce.
Of the 344 places in Poland, Hrubieszów and 4 other places get the most sun (3.11 peak sun hours a day) and Kostrzyn nad Odrą and 3 other places the least (2.89); Bielsko-Biala ranks joint 74th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.45 kWh a day here, against 1.14 kWh on average in Poland. The shortest day lasts 8 h 06 min, +24 min compared with Warsaw.
Solar forecast for Bielsko-Biala, 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 Bielsko-Biala
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A free, live card for Bielsko-Biala: 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.