Fars · Iran · 29.80° N · 52.50° E
Solar position in Shahr-e Ṣadrā
Sun position, daylight and the best solar panel angle for Shahr-e Ṣadrā — computed for 29.80° N, 52.50° E, 1839 m above sea level.
The sun right now
Sun in Shahr-e Ṣadrā today
Saturday, 24 October 2026 · local time UTC+3:30
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:47 | sun 18° below horizon |
| Nautical dawn | 05:15 | 12° below |
| Civil dawn | 05:43 | 6° below |
| Sunrise | 06:07 | 103° ESE |
| Golden hour ends | 06:40 | sun 6° up |
| Solar noon | 11:44 | 48.4° high |
| Golden hour starts | 16:47 | sun 6° up |
| Sunset | 17:20 | 257° WSW |
| Civil dusk | 17:44 | 6° below |
| Nautical dusk | 18:12 | 12° below |
| Astronomical dusk | 18:40 | 18° below |
| Day length | 11 h 13 min | |
Sun path diagram for Shahr-e Ṣadrā
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 83.6° at solar noon in Shahr-e Ṣadrā; on the December solstice only 36.8°. Sunrise swings from 62° ENE in June to 117° ESE in December — a 55° 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 | 06:54 | 12:11 | 17:27 | 10 h 33 min | 40.3° |
| February | 06:34 | 12:13 | 17:53 | 11 h 19 min | 49.7° |
| March | 06:02 | 12:07 | 18:11 | 12 h 09 min | 60.5° |
| April | 05:27 | 11:58 | 18:30 | 13 h 03 min | 72.1° |
| May | 05:03 | 11:56 | 18:49 | 13 h 46 min | 80.4° |
| June | 04:59 | 12:01 | 19:03 | 14 h 04 min | 83.6° |
| July | 05:12 | 12:06 | 18:59 | 13 h 47 min | 80.6° |
| August | 05:30 | 12:03 | 18:34 | 13 h 04 min | 72.3° |
| September | 05:47 | 11:52 | 17:58 | 12 h 10 min | 60.8° |
| October | 06:05 | 11:44 | 17:23 | 11 h 18 min | 49.5° |
| November | 06:29 | 11:45 | 17:01 | 10 h 32 min | 40.3° |
| December | 06:51 | 11:57 | 17:04 | 10 h 14 min | 36.8° |
A year of daylight in Shahr-e Ṣadrā
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 Shahr-e Ṣadrā
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
27°collects the most energy over a year: 1944 kWh per kWp.
42°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 | January kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1756 | 90% | 2.96 | 2.3× |
| 15° | 1906 | 98% | 3.84 | 1.7× |
| 27° year-round best | 1944 | 100% | 4.38 | 1.3× |
| 30° = latitude | 1942 | 100% | 4.48 | 1.3× |
| 42° off-grid best | 1888 | 97% | 4.79 | 1.2× |
| 45° | 1863 | 96% | 4.84 | 1.2× |
| 60° | 1677 | 86% | 4.89 | 1.5× |
| 70° | 1499 | 77% | 4.75 | 1.9× |
| 90° | 1057 | 54% | 4.08 | 3.5× |
A fixed array in Shahr-e Ṣadrā produces the most over a year at 27°. The design month for an off-grid system is January: at 42° it makes 4.79 kWh per kWp a day, 9% more than at 27°, and costs 3% of the yearly total. Why steep panels win winter.
Off-grid solar in Shahr-e Ṣadrā at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 27° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 27° | Mean temp. |
|---|---|---|---|---|---|
| January | 3.51 | 5.32 | 4.75 | 4.38 | 3.6 °C |
| February | 4.39 | 5.27 | 4.68 | 4.86 | 5.4 °C |
| March | 5.72 | 5.28 | 4.61 | 5.60 | 9.4 °C |
| April | 6.49 | 4.28 | 3.65 | 5.50 | 14.3 °C |
| May | 7.70 | 3.76 | 3.12 | 5.82 | 20.4 °C |
| June | 8.31 | 3.36 | 2.73 | 5.83 | 25.9 °C |
| July | 7.81 | 3.52 | 2.83 | 5.57 | 28.2 °C |
| August | 7.45 | 4.23 | 3.43 | 5.75 | 26.8 °C |
| September | 6.61 | 5.31 | 4.39 | 5.82 | 23.2 °C |
| October | 5.45 | 6.08 | 5.13 | 5.59 | 17.6 °C |
| November | 4.01 | 5.83 | 5.07 | 4.79 | 10.0 °C |
| December | 3.40 | 5.56 | 4.92 | 4.38 | 5.5 °C |
| Year | 5.91 avg | 4.82 avg | 1499 kWh | 1944 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 270 Wp at 27°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Shahr-e Ṣadrā
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.
3.5 mrow pitch at 70°
3.1 mrow pitch at 27°
How Shahr-e Ṣadrā compares in Iran
Against the other 422 places in Iran with climate data, for a fixed array at its best angle.
34thof 423 places in Iran for sunshine, shared: 5.91 peak sun hours a day on flat ground.
+10%solar energy a year compared with the average place in Iran: 1,944 against 1,760 kWh per kWp.
−31 mindaylight on the longest day, compared with Tehran: 14 h 04 min against 14 h 35 min.
27°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); Shahr-e Ṣadrā ranks joint 34th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 2.73 kWh a day here, against 2.96 kWh on average in Iran. The shortest day lasts 10 h 14 min, +29 min compared with Tehran.
Solar forecast for Shahr-e Ṣadrā, next 48 hours
Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.
Loading the latest forecast…
Questions about the sun in Shahr-e Ṣadrā
What is the best solar panel angle in Shahr-e Ṣadrā?
What time is sunrise and sunset in Shahr-e Ṣadrā today?
How many peak sun hours does Shahr-e Ṣadrā get?
How high does the sun get in Shahr-e Ṣadrā?
Is Shahr-e Ṣadrā a good place for solar panels?
Places near Shahr-e Ṣadrā
Put this on your site
A free, live card for Shahr-e Ṣadrā: 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.