Bushehr · Iran · 28.65° N · 51.38° E
Solar position in Khūrmūj
Sun position, daylight and the best solar panel angle for Khūrmūj — computed for 28.65° N, 51.38° E, 56 m above sea level.
The sun right now
Sun in Khūrmūj today
Saturday, 24 October 2026 · local time UTC+3:30
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:51 | sun 18° below horizon |
| Nautical dawn | 05:19 | 12° below |
| Civil dawn | 05:46 | 6° below |
| Sunrise | 06:10 | 103° ESE |
| Golden hour ends | 06:43 | sun 6° up |
| Solar noon | 11:48 | 49.6° high |
| Golden hour starts | 16:53 | sun 6° up |
| Sunset | 17:26 | 257° WSW |
| Civil dusk | 17:50 | 6° below |
| Nautical dusk | 18:17 | 12° below |
| Astronomical dusk | 18:45 | 18° below |
| Day length | 11 h 15 min | |
Sun path diagram for Khūrmūj
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 84.8° at solar noon in Khūrmūj; on the December solstice only 37.9°. Sunrise swings from 63° ENE in June to 116° ESE in December — a 54° 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 | 06:57 | 12:15 | 17:34 | 10 h 37 min | 41.5° |
| February | 06:37 | 12:18 | 17:58 | 11 h 21 min | 50.9° |
| March | 06:07 | 12:11 | 18:16 | 12 h 09 min | 61.6° |
| April | 05:33 | 12:03 | 18:33 | 13 h 01 min | 73.3° |
| May | 05:10 | 12:01 | 18:51 | 13 h 41 min | 81.6° |
| June | 05:07 | 12:06 | 19:05 | 13 h 58 min | 84.8° |
| July | 05:19 | 12:10 | 19:01 | 13 h 42 min | 81.8° |
| August | 05:36 | 12:07 | 18:38 | 13 h 01 min | 73.4° |
| September | 05:52 | 11:57 | 18:02 | 12 h 10 min | 62.0° |
| October | 06:08 | 11:48 | 17:28 | 11 h 20 min | 50.6° |
| November | 06:31 | 11:50 | 17:08 | 10 h 37 min | 41.4° |
| December | 06:52 | 12:02 | 17:12 | 10 h 19 min | 37.9° |
A year of daylight in Khūrmūj
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 Khūrmūj
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
25°collects the most energy over a year: 1789 kWh per kWp.
46°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° | 1644 | 92% | 2.67 | 2.3× |
| 15° | 1765 | 99% | 3.43 | 1.7× |
| 25° year-round best | 1789 | 100% | 3.82 | 1.5× |
| 29° = latitude | 1786 | 100% | 3.95 | 1.4× |
| 30° | 1784 | 100% | 3.97 | 1.4× |
| 45° | 1699 | 95% | 4.27 | 1.2× |
| 46° off-grid best | 1690 | 94% | 4.28 | 1.2× |
| 60° | 1519 | 85% | 4.31 | 1.4× |
| 70° | 1352 | 76% | 4.19 | 1.7× |
| 90° | 945 | 53% | 3.61 | 3.0× |
A fixed array in Khūrmūj produces the most over a year at 25°. The design month for an off-grid system is December: at 46° it makes 4.28 kWh per kWp a day, 12% more than at 25°, and costs 6% of the yearly total. Why steep panels win winter.
Off-grid solar in Khūrmūj at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 25° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 25° | Mean temp. |
|---|---|---|---|---|---|
| January | 3.55 | 4.96 | 4.26 | 4.00 | 13.9 °C |
| February | 4.33 | 4.86 | 4.15 | 4.42 | 15.2 °C |
| March | 5.53 | 4.89 | 4.11 | 5.08 | 18.7 °C |
| April | 6.19 | 4.09 | 3.37 | 5.05 | 23.5 °C |
| May | 7.39 | 3.69 | 2.95 | 5.48 | 29.3 °C |
| June | 8.03 | 3.33 | 2.62 | 5.60 | 32.8 °C |
| July | 7.46 | 3.47 | 2.71 | 5.30 | 34.5 °C |
| August | 7.11 | 4.07 | 3.20 | 5.37 | 34.5 °C |
| September | 6.47 | 5.08 | 4.04 | 5.43 | 32.0 °C |
| October | 5.31 | 5.64 | 4.57 | 5.07 | 27.7 °C |
| November | 3.87 | 5.16 | 4.30 | 4.17 | 20.9 °C |
| December | 3.32 | 4.93 | 4.19 | 3.82 | 16.1 °C |
| Year | 5.72 avg | 4.51 avg | 1352 kWh | 1789 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 450 Wp of panels at 70°, versus 310 Wp at 25°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Khūrmūj
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.
3.4 mrow pitch at 70°
3.0 mrow pitch at 25°
How Khūrmūj compares in Iran
Against the other 422 places in Iran with climate data, for a fixed array at its best angle.
115thof 423 places in Iran for sunshine, shared: 5.72 peak sun hours a day on flat ground.
+2%solar energy a year compared with the average place in Iran: 1,789 against 1,760 kWh per kWp.
−36 mindaylight on the longest day, compared with Tehran: 13 h 58 min against 14 h 35 min.
25°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); Khūrmūj ranks joint 115th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 2.62 kWh a day here, against 2.96 kWh on average in Iran. The shortest day lasts 10 h 19 min, +35 min compared with Tehran.
Solar forecast for Khūrmūj, 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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Places near Khūrmūj
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A free, live card for Khūrmūj: 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.