Mazovia · Poland · 52.11° N · 21.26° E
Solar position in Otwock
Sun position, daylight and the best solar panel angle for Otwock — computed for 52.11° N, 21.26° E, 94 m above sea level.
The sun right now
Sun in Otwock today
Saturday, 24 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:21 | sun 18° below horizon |
| Nautical dawn | 06:01 | 12° below |
| Civil dawn | 06:40 | 6° below |
| Sunrise | 07:15 | 108° ESE |
| Golden hour ends | 08:04 | sun 6° up |
| Solar noon | 12:18 | 26.1° high |
| Golden hour starts | 16:33 | sun 6° up |
| Sunset | 17:22 | 252° WSW |
| Civil dusk | 17:56 | 6° below |
| Nautical dusk | 18:36 | 12° below |
| Astronomical dusk | 19:15 | 18° below |
| Day length | 10 h 07 min | |
Sun path diagram for Otwock
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 61.3° at solar noon in Otwock; on the December solstice only 14.5°. Sunrise swings from 48° NE in June to 129° SE in December — a 81° 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 | 11:46 | 16:02 | 8 h 32 min | 18.1° |
| February | 06:38 | 11:48 | 16:59 | 10 h 21 min | 27.5° |
| March | 05:35 | 11:42 | 17:49 | 12 h 14 min | 38.2° |
| April | 05:25 | 12:33 | 19:42 | 14 h 18 min | 49.8° |
| May | 04:32 | 12:31 | 20:31 | 15 h 59 min | 58.1° |
| June | 04:14 | 12:36 | 20:59 | 16 h 45 min | 61.3° |
| July | 04:40 | 12:41 | 20:41 | 16 h 02 min | 58.3° |
| August | 05:28 | 12:37 | 19:46 | 14 h 18 min | 49.9° |
| September | 06:19 | 12:27 | 18:35 | 12 h 17 min | 38.5° |
| October | 07:10 | 12:19 | 17:28 | 10 h 18 min | 27.1° |
| November | 07:05 | 11:20 | 15:35 | 8 h 31 min | 18.0° |
| December | 07:41 | 11:32 | 15:24 | 7 h 43 min | 14.5° |
A year of daylight in Otwock
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 Otwock
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: 1095 kWh per kWp.
74°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° | 891 | 81% | 0.39 | 11.8× |
| 15° | 1015 | 93% | 0.61 | 7.8× |
| 30° | 1083 | 99% | 0.81 | 5.8× |
| 39° year-round best | 1095 | 100% | 0.91 | 5.0× |
| 45° | 1090 | 100% | 0.96 | 4.6× |
| 52° = latitude | 1073 | 98% | 1.01 | 4.2× |
| 60° | 1038 | 95% | 1.05 | 3.7× |
| 70° | 971 | 89% | 1.08 | 3.3× |
| 74° off-grid best | 938 | 86% | 1.08 | 3.2× |
| 90° | 774 | 71% | 1.05 | 2.6× |
A fixed array in Otwock produces the most over a year at 39°. The design month for an off-grid system is December: at 74° it makes 1.08 kWh per kWp a day, 20% more than at 39°, and costs 14% of the yearly total. Why steep panels win winter.
Off-grid solar in Otwock 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 | 0.69 | 1.54 | 1.39 | 1.16 | -4.1 °C |
| February snow | 1.40 | 2.48 | 2.24 | 2.01 | -2.4 °C |
| March | 2.67 | 3.48 | 3.10 | 3.21 | 2.2 °C |
| April | 4.16 | 4.14 | 3.61 | 4.18 | 8.5 °C |
| May | 5.19 | 4.12 | 3.51 | 4.50 | 14.1 °C |
| June | 5.62 | 4.02 | 3.36 | 4.53 | 17.9 °C |
| July | 5.27 | 3.95 | 3.27 | 4.30 | 20.4 °C |
| August | 4.58 | 4.10 | 3.42 | 4.14 | 19.8 °C |
| September | 3.22 | 3.81 | 3.25 | 3.50 | 14.6 °C |
| October | 1.79 | 2.78 | 2.42 | 2.35 | 8.3 °C |
| November | 0.78 | 1.46 | 1.28 | 1.15 | 3.4 °C |
| December snow | 0.52 | 1.22 | 1.08 | 0.91 | -1.6 °C |
| Year | 3.00 avg | 3.09 avg | 971 kWh | 1095 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 1,090 Wp of panels at 70°, versus 1,300 Wp at 39°. The steep array is 16% smaller for the same winter. Size your own system.
Row spacing in Otwock
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.
10.1 mrow pitch at 70°
7.9 mrow pitch at 39°
How Otwock compares in Poland
Against the other 343 places in Poland with climate data, for a fixed array at its best angle.
166thof 344 places in Poland for sunshine, shared: 3.00 peak sun hours a day on flat ground.
±0%solar energy a year compared with the average place in Poland: 1,095 against 1,094 kWh per kWp.
−1 mindaylight on the longest day, compared with Warsaw: 16 h 45 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); Otwock ranks joint 166th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.08 kWh a day here, against 1.14 kWh on average in Poland. The shortest day lasts 7 h 43 min, +1 min compared with Warsaw.
Solar forecast for Otwock, 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 Otwock
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A free, live card for Otwock: 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.