Zlín · Czechia · 49.21° N · 17.54° E
Solar position in Otrokovice
Sun position, daylight and the best solar panel angle for Otrokovice — computed for 49.21° N, 17.54° E, 190 m above sea level.
The sun right now
Sun in Otrokovice today
Saturday, 24 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:37 | sun 18° below horizon |
| Nautical dawn | 06:14 | 12° below |
| Civil dawn | 06:51 | 6° below |
| Sunrise | 07:24 | 107° ESE |
| Golden hour ends | 08:09 | sun 6° up |
| Solar noon | 12:33 | 29.0° high |
| Golden hour starts | 16:57 | sun 6° up |
| Sunset | 17:42 | 253° WSW |
| Civil dusk | 18:15 | 6° below |
| Nautical dusk | 18:52 | 12° below |
| Astronomical dusk | 19:29 | 18° below |
| Day length | 10 h 18 min | |
Sun path diagram for Otrokovice
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 64.2° at solar noon in Otrokovice; on the December solstice only 17.4°. Sunrise swings from 51° NE in June to 126° SE in December — a 75° 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 | 07:34 | 12:01 | 16:28 | 8 h 54 min | 21.0° |
| February | 06:47 | 12:03 | 17:19 | 10 h 32 min | 30.3° |
| March | 05:50 | 11:57 | 18:04 | 12 h 13 min | 41.1° |
| April | 05:46 | 12:48 | 19:51 | 14 h 04 min | 52.7° |
| May | 04:59 | 12:46 | 20:34 | 15 h 34 min | 61.0° |
| June | 04:44 | 12:51 | 20:58 | 16 h 14 min | 64.2° |
| July | 05:07 | 12:56 | 20:44 | 15 h 37 min | 61.2° |
| August | 05:50 | 12:52 | 19:54 | 14 h 05 min | 52.8° |
| September | 06:34 | 12:42 | 18:50 | 12 h 16 min | 41.4° |
| October | 07:19 | 12:34 | 17:48 | 10 h 29 min | 30.0° |
| November | 07:09 | 11:35 | 16:01 | 8 h 53 min | 20.9° |
| December | 07:42 | 11:47 | 15:53 | 8 h 12 min | 17.4° |
A year of daylight in Otrokovice
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 Otrokovice
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
38°collects the most energy over a year: 1138 kWh per kWp.
72°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° | 943 | 83% | 0.55 | 8.3× |
| 15° | 1066 | 94% | 0.83 | 5.6× |
| 30° | 1129 | 99% | 1.07 | 4.3× |
| 38° year-round best | 1138 | 100% | 1.17 | 3.8× |
| 45° | 1131 | 99% | 1.25 | 3.4× |
| 49° = latitude | 1120 | 98% | 1.29 | 3.2× |
| 60° | 1070 | 94% | 1.36 | 2.9× |
| 70° | 996 | 88% | 1.38 | 2.6× |
| 72° off-grid best | 979 | 86% | 1.38 | 2.5× |
| 90° | 785 | 69% | 1.33 | 2.0× |
A fixed array in Otrokovice produces the most over a year at 38°. The design month for an off-grid system is December: at 72° it makes 1.38 kWh per kWp a day, 18% more than at 38°, and costs 14% of the yearly total. Why steep panels win winter.
Off-grid solar in Otrokovice at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 38° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 38° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 0.90 | 1.84 | 1.67 | 1.42 | -3.4 °C |
| February snow | 1.69 | 2.70 | 2.44 | 2.28 | -1.5 °C |
| March | 2.89 | 3.56 | 3.17 | 3.34 | 2.9 °C |
| April | 4.37 | 4.13 | 3.60 | 4.27 | 8.8 °C |
| May | 5.13 | 3.90 | 3.32 | 4.37 | 13.7 °C |
| June | 5.55 | 3.82 | 3.19 | 4.41 | 18.0 °C |
| July | 5.42 | 3.88 | 3.22 | 4.36 | 20.3 °C |
| August | 4.77 | 4.08 | 3.40 | 4.22 | 19.9 °C |
| September | 3.41 | 3.81 | 3.25 | 3.58 | 14.5 °C |
| October | 2.01 | 2.92 | 2.54 | 2.51 | 8.7 °C |
| November | 1.00 | 1.80 | 1.58 | 1.44 | 3.8 °C |
| December snow | 0.71 | 1.55 | 1.38 | 1.17 | -1.7 °C |
| Year | 3.16 avg | 3.17 avg | 996 kWh | 1138 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 850 Wp of panels at 70°, versus 1,000 Wp at 38°. The steep array is 15% smaller for the same winter. Size your own system.
Row spacing in Otrokovice
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.
8.1 mrow pitch at 70°
6.4 mrow pitch at 38°
How Otrokovice compares in Czechia
Against the other 95 places in Czechia with climate data, for a fixed array at its best angle.
10thof 96 places in Czechia for sunshine, shared: 3.16 peak sun hours a day on flat ground.
+3%solar energy a year compared with the average place in Czechia: 1,138 against 1,107 kWh per kWp.
−9 mindaylight on the longest day, compared with Prague: 16 h 14 min against 16 h 23 min.
38°best year-round tilt here; across Czechia it runs from 38° in Prague to 39° in Ostrava.
Of the 96 places in Czechia, Břeclav gets the most sun (3.25 peak sun hours a day) and Děčín and 10 other places the least (2.96); Otrokovice ranks joint 10th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.38 kWh a day here, against 1.35 kWh on average in Czechia. The shortest day lasts 8 h 12 min, +8 min compared with Prague.
Solar forecast for Otrokovice, 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 Otrokovice
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A free, live card for Otrokovice: 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.