East Azerbaijan · Iran · 37.48° N · 47.05° E
Solar position in Hashtrūd
Sun position, daylight and the best solar panel angle for Hashtrūd — computed for 37.48° N, 47.05° E, 1651 m above sea level.
The sun right now
Sun in Hashtrūd today
Saturday, 24 October 2026 · local time UTC+3:30
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:10 | sun 18° below horizon |
| Nautical dawn | 05:41 | 12° below |
| Civil dawn | 06:11 | 6° below |
| Sunrise | 06:38 | 104° ESE |
| Golden hour ends | 07:14 | sun 6° up |
| Solar noon | 12:05 | 40.7° high |
| Golden hour starts | 16:57 | sun 6° up |
| Sunset | 17:33 | 256° WSW |
| Civil dusk | 17:59 | 6° below |
| Nautical dusk | 18:30 | 12° below |
| Astronomical dusk | 19:00 | 18° below |
| Day length | 10 h 55 min | |
Sun path diagram for Hashtrūd
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 76.0° at solar noon in Hashtrūd; on the December solstice only 29.1°. Sunrise swings from 59° ENE in June to 119° ESE in December — a 60° 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 | 07:32 | 12:33 | 17:33 | 10 h 01 min | 32.7° |
| February | 07:04 | 12:35 | 18:07 | 11 h 03 min | 42.0° |
| March | 06:24 | 12:29 | 18:34 | 12 h 10 min | 52.8° |
| April | 05:39 | 12:20 | 19:02 | 13 h 23 min | 64.4° |
| May | 05:08 | 12:18 | 19:28 | 14 h 21 min | 72.7° |
| June | 05:01 | 12:23 | 19:46 | 14 h 45 min | 76.0° |
| July | 05:16 | 12:28 | 19:39 | 14 h 22 min | 73.0° |
| August | 05:42 | 12:24 | 19:06 | 13 h 24 min | 64.6° |
| September | 06:08 | 12:14 | 18:20 | 12 h 12 min | 53.2° |
| October | 06:35 | 12:06 | 17:36 | 11 h 02 min | 41.8° |
| November | 07:07 | 12:07 | 17:07 | 10 h 00 min | 32.6° |
| December | 07:32 | 12:19 | 17:07 | 9 h 35 min | 29.1° |
A year of daylight in Hashtrūd
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 Hashtrūd
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: 1721 kWh per kWp.
65°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° | 1508 | 88% | 1.82 | 3.6× |
| 15° | 1662 | 97% | 2.53 | 2.5× |
| 30° | 1720 | 100% | 3.09 | 1.9× |
| 31° year-round best | 1721 | 100% | 3.12 | 1.9× |
| 37° = latitude | 1714 | 100% | 3.29 | 1.7× |
| 45° | 1681 | 98% | 3.47 | 1.6× |
| 60° | 1548 | 90% | 3.65 | 1.4× |
| 65° off-grid best | 1484 | 86% | 3.66 | 1.4× |
| 70° | 1412 | 82% | 3.65 | 1.4× |
| 90° | 1051 | 61% | 3.36 | 2.2× |
A fixed array in Hashtrūd produces the most over a year at 31°. The design month for an off-grid system is December: at 65° it makes 3.66 kWh per kWp a day, 17% more than at 31°, and costs 14% of the yearly total. Why steep panels win winter.
Off-grid solar in Hashtrūd at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 31° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 31° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 2.57 | 4.38 | 4.00 | 3.45 | -2.4 °C |
| February snow | 3.41 | 4.53 | 4.11 | 4.01 | -0.7 °C |
| March | 4.23 | 4.30 | 3.82 | 4.36 | 4.1 °C |
| April | 5.35 | 4.11 | 3.58 | 4.80 | 9.1 °C |
| May | 6.76 | 4.04 | 3.43 | 5.41 | 14.8 °C |
| June | 8.03 | 4.01 | 3.34 | 5.91 | 20.3 °C |
| July | 7.70 | 4.15 | 3.41 | 5.75 | 23.2 °C |
| August | 7.13 | 4.83 | 3.99 | 5.84 | 22.6 °C |
| September | 5.91 | 5.59 | 4.71 | 5.67 | 18.3 °C |
| October | 4.07 | 5.18 | 4.48 | 4.61 | 11.9 °C |
| November | 2.70 | 4.40 | 3.93 | 3.60 | 3.7 °C |
| December snow | 2.19 | 4.02 | 3.65 | 3.12 | -0.8 °C |
| Year | 5.01 avg | 4.46 avg | 1412 kWh | 1721 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 350 Wp of panels at 70°, versus 380 Wp at 31°. The steep array is 6% smaller for the same winter. Size your own system.
Row spacing in Hashtrūd
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.
4.5 mrow pitch at 70°
3.8 mrow pitch at 31°
How Hashtrūd compares in Iran
Against the other 422 places in Iran with climate data, for a fixed array at its best angle.
309thof 423 places in Iran for sunshine, shared: 5.01 peak sun hours a day on flat ground.
−2%solar energy a year compared with the average place in Iran: 1,721 against 1,760 kWh per kWp.
+10 mindaylight on the longest day, compared with Tehran: 14 h 45 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); Hashtrūd ranks joint 309th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 3.34 kWh a day here, against 2.96 kWh on average in Iran. The shortest day lasts 9 h 35 min, −10 min compared with Tehran.
Solar forecast for Hashtrūd, 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 Hashtrūd
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Places near Hashtrūd
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A free, live card for Hashtrūd: 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.