Khuzestan · Iran · 31.35° N · 48.60° E
Solar position in ‘Eyn-e Do
Sun position, daylight and the best solar panel angle for ‘Eyn-e Do — computed for 31.35° N, 48.60° E, 18 m above sea level.
The sun right now
Sun in ‘Eyn-e Do today
Saturday, 24 October 2026 · local time UTC+3:30
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:03 | sun 18° below horizon |
| Nautical dawn | 05:31 | 12° below |
| Civil dawn | 06:00 | 6° below |
| Sunrise | 06:24 | 103° ESE |
| Golden hour ends | 06:58 | sun 6° up |
| Solar noon | 11:59 | 46.9° high |
| Golden hour starts | 17:01 | sun 6° up |
| Sunset | 17:34 | 257° WSW |
| Civil dusk | 17:59 | 6° below |
| Nautical dusk | 18:27 | 12° below |
| Astronomical dusk | 18:55 | 18° below |
| Day length | 11 h 09 min | |
Sun path diagram for ‘Eyn-e Do
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 82.1° at solar noon in ‘Eyn-e Do; on the December solstice only 35.2°. Sunrise swings from 62° ENE in June to 117° ESE in December — a 56° 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 | 07:13 | 12:26 | 17:40 | 10 h 27 min | 38.8° |
| February | 06:51 | 12:29 | 18:07 | 11 h 16 min | 48.2° |
| March | 06:18 | 12:22 | 18:27 | 12 h 09 min | 59.0° |
| April | 05:41 | 12:14 | 18:48 | 13 h 07 min | 70.6° |
| May | 05:16 | 12:12 | 19:08 | 13 h 52 min | 78.9° |
| June | 05:11 | 12:17 | 19:23 | 14 h 11 min | 82.1° |
| July | 05:25 | 12:22 | 19:18 | 13 h 54 min | 79.1° |
| August | 05:44 | 12:18 | 18:52 | 13 h 08 min | 70.7° |
| September | 06:03 | 12:08 | 18:13 | 12 h 11 min | 59.3° |
| October | 06:22 | 12:00 | 17:37 | 11 h 15 min | 47.9° |
| November | 06:48 | 12:01 | 17:14 | 10 h 26 min | 38.7° |
| December | 07:10 | 12:13 | 17:16 | 10 h 06 min | 35.2° |
A year of daylight in ‘Eyn-e Do
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 ‘Eyn-e Do
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
28°collects the most energy over a year: 1762 kWh per kWp.
50°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° | 1587 | 90% | 2.39 | 2.6× |
| 15° | 1725 | 98% | 3.17 | 1.9× |
| 28° year-round best | 1762 | 100% | 3.69 | 1.5× |
| 30° | 1761 | 100% | 3.75 | 1.5× |
| 31° = latitude | 1760 | 100% | 3.79 | 1.4× |
| 45° | 1694 | 96% | 4.10 | 1.3× |
| 50° off-grid best | 1649 | 94% | 4.16 | 1.2× |
| 60° | 1529 | 87% | 4.19 | 1.3× |
| 70° | 1371 | 78% | 4.10 | 1.6× |
| 90° | 974 | 55% | 3.59 | 2.9× |
A fixed array in ‘Eyn-e Do produces the most over a year at 28°. The design month for an off-grid system is December: at 50° it makes 4.16 kWh per kWp a day, 13% more than at 28°, and costs 6% of the yearly total. Why steep panels win winter.
Off-grid solar in ‘Eyn-e Do at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 28° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 28° | Mean temp. |
|---|---|---|---|---|---|
| January | 3.20 | 4.83 | 4.17 | 3.87 | 12.1 °C |
| February | 4.19 | 5.08 | 4.35 | 4.51 | 14.3 °C |
| March | 5.36 | 5.03 | 4.22 | 5.06 | 19.5 °C |
| April | 6.07 | 4.20 | 3.43 | 4.97 | 25.3 °C |
| May | 7.20 | 3.82 | 3.02 | 5.27 | 32.4 °C |
| June | 8.18 | 3.55 | 2.75 | 5.54 | 37.2 °C |
| July | 7.71 | 3.69 | 2.83 | 5.31 | 39.2 °C |
| August | 7.27 | 4.35 | 3.36 | 5.39 | 38.9 °C |
| September | 6.39 | 5.32 | 4.18 | 5.42 | 34.8 °C |
| October | 4.88 | 5.47 | 4.41 | 4.79 | 29.0 °C |
| November | 3.58 | 5.15 | 4.32 | 4.11 | 19.7 °C |
| December | 2.97 | 4.78 | 4.10 | 3.69 | 13.8 °C |
| Year | 5.59 avg | 4.60 avg | 1371 kWh | 1762 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 430 Wp of panels at 70°, versus 320 Wp at 28°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in ‘Eyn-e Do
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.
3.7 mrow pitch at 70°
3.3 mrow pitch at 28°
How ‘Eyn-e Do compares in Iran
Against the other 422 places in Iran with climate data, for a fixed array at its best angle.
154thof 423 places in Iran for sunshine, shared: 5.59 peak sun hours a day on flat ground.
±0%solar energy a year compared with the average place in Iran: 1,762 against 1,760 kWh per kWp.
−23 mindaylight on the longest day, compared with Tehran: 14 h 11 min against 14 h 35 min.
28°best year-round tilt here; across Iran it runs from 24° in Kīsh to 33° in Khūy.
Of the 423 places in Iran, Jālq gets the most sun (6.10 peak sun hours a day) and Bandar-e Anzalī the least (3.92); ‘Eyn-e Do ranks joint 154th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 2.75 kWh a day here, against 2.96 kWh on average in Iran. The shortest day lasts 10 h 06 min, +22 min compared with Tehran.
Solar forecast for ‘Eyn-e Do, 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 ‘Eyn-e Do
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A free, live card for ‘Eyn-e Do: 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.