Salah ad Din · Iraq · 34.93° N · 43.49° E
Solar position in Bayjī
Sun position, daylight and the best solar panel angle for Bayjī — computed for 34.93° N, 43.49° E, 115 m above sea level.
The sun right now
Sun in Bayjī today
Saturday, 24 October 2026 · local time UTC+3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:54 | sun 18° below horizon |
| Nautical dawn | 05:24 | 12° below |
| Civil dawn | 05:53 | 6° below |
| Sunrise | 06:19 | 104° ESE |
| Golden hour ends | 06:54 | sun 6° up |
| Solar noon | 11:50 | 43.3° high |
| Golden hour starts | 16:45 | sun 6° up |
| Sunset | 17:20 | 256° WSW |
| Civil dusk | 17:46 | 6° below |
| Nautical dusk | 18:15 | 12° below |
| Astronomical dusk | 18:45 | 18° below |
| Day length | 11 h 01 min | |
Sun path diagram for Bayjī
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 78.5° at solar noon in Bayjī; on the December solstice only 31.7°. Sunrise swings from 60° ENE in June to 118° ESE in December — a 58° 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 | 07:11 | 12:17 | 17:23 | 10 h 12 min | 35.2° |
| February | 06:45 | 12:19 | 17:54 | 11 h 09 min | 44.6° |
| March | 06:08 | 12:13 | 18:18 | 12 h 10 min | 55.4° |
| April | 05:26 | 12:04 | 18:43 | 13 h 16 min | 67.0° |
| May | 04:58 | 12:02 | 19:06 | 14 h 08 min | 75.3° |
| June | 04:52 | 12:07 | 19:23 | 14 h 30 min | 78.5° |
| July | 05:07 | 12:12 | 19:17 | 14 h 10 min | 75.5° |
| August | 05:30 | 12:09 | 18:47 | 13 h 17 min | 67.1° |
| September | 05:53 | 11:58 | 18:04 | 12 h 11 min | 55.7° |
| October | 06:16 | 11:50 | 17:24 | 11 h 07 min | 44.3° |
| November | 06:45 | 11:51 | 16:57 | 10 h 12 min | 35.1° |
| December | 07:09 | 12:04 | 16:58 | 9 h 48 min | 31.7° |
A year of daylight in Bayjī
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 Bayjī
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
30°collects the most energy over a year: 1736 kWh per kWp.
60°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° | 1534 | 88% | 2.04 | 3.1× |
| 15° | 1685 | 97% | 2.78 | 2.2× |
| 30° year-round best | 1736 | 100% | 3.34 | 1.7× |
| 35° = latitude | 1730 | 100% | 3.48 | 1.6× |
| 45° | 1686 | 97% | 3.69 | 1.4× |
| 60° off-grid best | 1538 | 89% | 3.80 | 1.2× |
| 70° | 1391 | 80% | 3.75 | 1.4× |
| 90° | 1008 | 58% | 3.34 | 2.5× |
A fixed array in Bayjī produces the most over a year at 30°. The design month for an off-grid system is December: at 60° it makes 3.80 kWh per kWp a day, 14% more than at 30°, and costs 11% of the yearly total. Why steep panels win winter.
Off-grid solar in Bayjī at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 30° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 30° | Mean temp. |
|---|---|---|---|---|---|
| January | 2.80 | 4.50 | 3.95 | 3.61 | 7.7 °C |
| February | 3.74 | 4.82 | 4.20 | 4.25 | 10.1 °C |
| March | 5.06 | 5.08 | 4.33 | 5.01 | 15.2 °C |
| April | 5.99 | 4.43 | 3.69 | 5.09 | 20.8 °C |
| May | 7.15 | 4.10 | 3.31 | 5.41 | 27.3 °C |
| June | 8.12 | 3.87 | 3.05 | 5.65 | 33.0 °C |
| July | 7.78 | 3.98 | 3.11 | 5.48 | 35.8 °C |
| August | 7.10 | 4.60 | 3.61 | 5.45 | 35.5 °C |
| September | 5.99 | 5.36 | 4.28 | 5.31 | 31.0 °C |
| October | 4.35 | 5.15 | 4.22 | 4.48 | 24.7 °C |
| November | 3.23 | 5.01 | 4.27 | 3.98 | 15.2 °C |
| December | 2.52 | 4.30 | 3.75 | 3.34 | 9.5 °C |
| Year | 5.33 avg | 4.60 avg | 1391 kWh | 1736 kWh |
Sizing example. To run a 1 kWh-per-day load through June on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 390 Wp of panels at 70°, versus 350 Wp at 30°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Bayjī
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.
4.1 mrow pitch at 70°
3.6 mrow pitch at 30°
How Bayjī compares in Iraq
Against the other 100 places in Iraq with climate data, for a fixed array at its best angle.
63rdof 101 places in Iraq for sunshine, shared: 5.33 peak sun hours a day on flat ground.
±0%solar energy a year compared with the average place in Iraq: 1,736 against 1,733 kWh per kWp.
+9 mindaylight on the longest day, compared with Baghdad: 14 h 30 min against 14 h 22 min.
30°best year-round tilt here; across Iraq it runs from 26° in Al Fāw to 31° in Mosul.
Of the 101 places in Iraq, Basrah and 2 other places get the most sun (5.64 peak sun hours a day) and Dêrelûk Devera Nihêliya the least (4.99); Bayjī ranks joint 63rd. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 3.05 kWh a day here, against 2.99 kWh on average in Iraq. The shortest day lasts 9 h 48 min, −8 min compared with Baghdad.
Solar forecast for Bayjī, 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 Bayjī
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A free, live card for Bayjī: 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.