Srpska · Bosnia and Herzegovina · 44.73° N · 18.09° E
Solar position in Doboj
Sun position, daylight and the best solar panel angle for Doboj — computed for 44.73° N, 18.09° E, 144 m above sea level.
The sun right now
Sun in Doboj today
Saturday, 24 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:36 | sun 18° below horizon |
| Nautical dawn | 06:10 | 12° below |
| Civil dawn | 06:44 | 6° below |
| Sunrise | 07:14 | 106° ESE |
| Golden hour ends | 07:55 | sun 6° up |
| Solar noon | 12:31 | 33.5° high |
| Golden hour starts | 17:07 | sun 6° up |
| Sunset | 17:48 | 254° WSW |
| Civil dusk | 18:18 | 6° below |
| Nautical dusk | 18:52 | 12° below |
| Astronomical dusk | 19:26 | 18° below |
| Day length | 10 h 34 min | |
Sun path diagram for Doboj
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 68.7° at solar noon in Doboj; on the December solstice only 21.9°. Sunrise swings from 55° NE in June to 123° ESE in December — a 68° 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 | 07:17 | 11:59 | 16:40 | 9 h 23 min | 25.5° |
| February | 06:38 | 12:01 | 17:24 | 10 h 45 min | 34.8° |
| March | 05:49 | 11:55 | 18:01 | 12 h 12 min | 45.6° |
| April | 05:53 | 12:46 | 19:39 | 13 h 46 min | 57.2° |
| May | 05:13 | 12:44 | 20:15 | 15 h 02 min | 65.5° |
| June | 05:01 | 12:49 | 20:36 | 15 h 35 min | 68.7° |
| July | 05:21 | 12:54 | 20:25 | 15 h 04 min | 65.7° |
| August | 05:56 | 12:50 | 19:43 | 13 h 47 min | 57.3° |
| September | 06:33 | 12:40 | 18:47 | 12 h 14 min | 45.9° |
| October | 07:10 | 12:32 | 17:53 | 10 h 43 min | 34.5° |
| November | 06:52 | 11:33 | 16:14 | 9 h 22 min | 25.3° |
| December | 07:21 | 11:45 | 16:09 | 8 h 48 min | 21.9° |
A year of daylight in Doboj
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 Doboj
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
35°collects the most energy over a year: 1274 kWh per kWp.
69°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° | 1080 | 85% | 0.86 | 5.8× |
| 15° | 1209 | 95% | 1.24 | 4.1× |
| 30° | 1270 | 100% | 1.56 | 3.2× |
| 35° year-round best | 1274 | 100% | 1.65 | 3.0× |
| 45° = latitude | 1259 | 99% | 1.79 | 2.5× |
| 60° | 1177 | 92% | 1.91 | 2.1× |
| 69° off-grid best | 1097 | 86% | 1.94 | 1.9× |
| 70° | 1086 | 85% | 1.94 | 1.9× |
| 90° | 833 | 65% | 1.83 | 1.5× |
A fixed array in Doboj produces the most over a year at 35°. The design month for an off-grid system is December: at 69° it makes 1.94 kWh per kWp a day, 18% more than at 35°, and costs 14% of the yearly total. Why steep panels win winter.
Off-grid solar in Doboj at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 35° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 35° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 1.34 | 2.49 | 2.24 | 1.96 | -0.8 °C |
| February | 2.04 | 2.88 | 2.58 | 2.53 | 0.6 °C |
| March | 3.24 | 3.71 | 3.29 | 3.55 | 4.9 °C |
| April | 4.46 | 3.90 | 3.37 | 4.17 | 10.0 °C |
| May | 5.37 | 3.80 | 3.22 | 4.47 | 14.8 °C |
| June | 6.04 | 3.79 | 3.16 | 4.70 | 19.0 °C |
| July | 6.19 | 4.01 | 3.31 | 4.86 | 21.6 °C |
| August | 5.47 | 4.35 | 3.60 | 4.73 | 21.7 °C |
| September | 3.83 | 4.00 | 3.39 | 3.85 | 16.1 °C |
| October | 2.66 | 3.72 | 3.22 | 3.21 | 11.0 °C |
| November | 1.55 | 2.69 | 2.37 | 2.16 | 5.8 °C |
| December snow | 1.08 | 2.16 | 1.94 | 1.65 | 0.5 °C |
| Year | 3.61 avg | 3.46 avg | 1086 kWh | 1274 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 610 Wp of panels at 70°, versus 720 Wp at 35°. The steep array is 15% smaller for the same winter. Size your own system.
Row spacing in Doboj
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.
6.2 mrow pitch at 70°
5.0 mrow pitch at 35°
How Doboj compares in Bosnia and Herzegovina
Against the other 22 places in Bosnia and Herzegovina with climate data, for a fixed array at its best angle.
18thof 23 places in Bosnia and Herzegovina for sunshine, shared: 3.62 peak sun hours a day on flat ground.
−2%solar energy a year compared with the average place in Bosnia and Herzegovina: 1,274 against 1,304 kWh per kWp.
+7 mindaylight on the longest day, compared with Sarajevo: 15 h 35 min against 15 h 28 min.
35°best year-round tilt here, the same everywhere in Bosnia and Herzegovina.
Of the 23 places in Bosnia and Herzegovina, Trebinje gets the most sun (4.14 peak sun hours a day) and Banja Luka the least (3.60); Doboj ranks joint 18th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.94 kWh a day here, against 2.08 kWh on average in Bosnia and Herzegovina. The shortest day lasts 8 h 48 min, −6 min compared with Sarajevo.
Solar forecast for Doboj, 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 Doboj
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Places near Doboj
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A free, live card for Doboj: 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.