Solarposition.org

Razavi Khorasan · Iran · 35.27° N · 59.22° E

Solar position in Torbat-e Ḩeydarīyeh

Sun position, daylight and the best solar panel angle for Torbat-e Ḩeydarīyeh — computed for 35.27° N, 59.22° E, 1351 m above sea level.

Sunrise today05:46104° ESE
Sunset today16:47256° WSW
Best panel angle31°year-round, facing south
Off-grid angle56°best for the darkest month

The sun right now

Azimuth180.0°
Elevation42.9°
At solar noon, 11:17Open on the sun map

Sun in Torbat-e Ḩeydarīyeh today

Saturday, 24 October 2026 · local time UTC+3:30

EventTimeDirection / height
Astronomical dawn04:21sun 18° below horizon
Nautical dawn04:5112° below
Civil dawn05:216° below
Sunrise05:46104° ESE
Golden hour ends06:21sun 6° up
Solar noon11:1742.9° high
Golden hour starts16:12sun 6° up
Sunset16:47256° WSW
Civil dusk17:136° below
Nautical dusk17:4212° below
Astronomical dusk18:1218° below
Day length11 h 00 min

Sun path diagram for Torbat-e Ḩeydarīyeh

Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.

15°30°45°60°75°N30°60°E120°150°S210°240°W300°330°June solstice56789101112131415161718EquinoxDecember solstice78910111213141516Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 78.2° at solar noon in Torbat-e Ḩeydarīyeh; on the December solstice only 31.3°. 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.

MonthSunriseSolar noonSunsetDay lengthNoon elevation
January06:3911:4416:4910 h 11 min34.9°
February06:1211:4617:2011 h 08 min44.2°
March05:3511:4017:4512 h 10 min55.0°
April04:5311:3118:1013 h 17 min66.6°
May04:2511:2918:3414 h 10 min74.9°
June04:1811:3418:5114 h 32 min78.2°
July04:3311:3918:4514 h 11 min75.2°
August04:5711:3618:1413 h 18 min66.8°
September05:2011:2617:3112 h 12 min55.4°
October05:4411:1716:5011 h 07 min44.0°
November06:1311:1816:2310 h 10 min34.8°
December06:3711:3116:249 h 47 min31.3°

A year of daylight in Torbat-e Ḩeydarīyeh

Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.

00:0003:0006:0009:0012:0015:0018:0021:0000:00JanFebMarAprMayJunJulAugSepOctNovDec

Best solar panel angle in Torbat-e Ḩeydarīyeh

Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.

31°collects the most energy over a year: 1853 kWh per kWp.

56°gives the most in the darkest month — the one an off-grid system is sized for.

30%40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 31°Best worst-month 56°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearJanuary kWh/kWp/dayBest ÷ worst month
0°162388%2.333.0×
15°179297%3.142.1×
30°1853100%3.751.6×
31° year-round best1853100%3.781.6×
35° = latitude1849100%3.901.5×
45°180597%4.121.4×
56° off-grid best170292%4.231.3×
60°165189%4.231.3×
70°149681%4.161.6×
90°108859%3.672.6×

A fixed array in Torbat-e Ḩeydarīyeh produces the most over a year at 31°. The design month for an off-grid system is January: at 56° it makes 4.23 kWh per kWp a day, 12% more than at 31°, and costs 8% of the yearly total. Why steep panels win winter.

Off-grid solar in Torbat-e Ḩeydarīyeh at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 31° (year-round best).

02468January: 4.16 (70°)4.2JanFebruary: 4.28 (70°)4.3FebMarch: 4.24 (70°)4.2MarApril: 3.81 (70°)3.8AprMay: 3.40 (70°)3.4MayJune: 3.17 (70°)3.2JunJuly: 3.31 (70°)3.3JulAugust: 3.96 (70°)4.0AugSeptember: 4.82 (70°)4.8SepOctober: 5.05 (70°)5.0OctNovember: 4.70 (70°)4.7NovDecember: 4.31 (70°)4.3Dec31°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 31°Mean temp.
January2.784.614.163.780.6 °C
February3.644.784.284.322.8 °C
March4.824.844.244.918.0 °C
April6.024.453.815.2613.5 °C
May7.174.063.405.5519.3 °C
June8.193.873.175.8623.5 °C
July8.034.053.315.8425.0 °C
August7.474.803.966.0023.1 °C
September6.335.754.825.9519.2 °C
October4.735.895.055.2713.9 °C
November3.305.334.704.356.7 °C
December2.654.804.313.792.1 °C
Year5.44 avg4.77 avg1496 kWh1853 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 370 Wp of panels at 70°, versus 310 Wp at 31°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Torbat-e Ḩeydarīyeh

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.

4.2 mrow pitch at 70°

3.6 mrow pitch at 31°

Row spacing calculator

How Torbat-e Ḩeydarīyeh compares in Iran

Against the other 422 places in Iran with climate data, for a fixed array at its best angle.

190thof 423 places in Iran for sunshine, shared: 5.44 peak sun hours a day on flat ground.

+5%solar energy a year compared with the average place in Iran: 1,853 against 1,760 kWh per kWp.

−2 mindaylight on the longest day, compared with Tehran: 14 h 32 min against 14 h 35 min.

31°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); Torbat-e Ḩeydarīyeh ranks joint 190th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 3.17 kWh a day here, against 2.96 kWh on average in Iran. The shortest day lasts 9 h 47 min, +2 min compared with Tehran.

The sunniest places in Iran

Solar forecast for Torbat-e Ḩeydarīyeh, 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 Torbat-e Ḩeydarīyeh

What is the best solar panel angle in Torbat-e Ḩeydarīyeh?
For a fixed array facing south, the best year-round tilt in Torbat-e Ḩeydarīyeh is 31°, worth about 1853 kWh per kWp a year. An off-grid system that has to get through January does better at about 56°.
What time is sunrise and sunset in Torbat-e Ḩeydarīyeh today?
On 24 October 2026 the sun rises at 05:46 and sets at 16:47 local time (UTC+3:30), giving 11 h 00 min of daylight. Solar noon is at 11:17.
How many peak sun hours does Torbat-e Ḩeydarīyeh get?
On a flat surface 5.4 hours a day averaged over the year, from 2.6 in December to 8.2 in June. Panels tilted at 70° receive 3.9 sun hours a day in June.
How high does the sun get in Torbat-e Ḩeydarīyeh?
At solar noon the sun stands 78.2° above the horizon on the June solstice and 31.3° on the December solstice.
Is Torbat-e Ḩeydarīyeh a good place for solar panels?
With 5.4 peak sun hours a day on flat ground, Torbat-e Ḩeydarīyeh ranks joint 190th of 423 places in Iran for sunshine. A 1 kWp array at the best angle (31°) makes about 1,853 kWh a year here, 5% more than the average place in Iran.

Places near Torbat-e Ḩeydarīyeh

All places in Iran

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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.