Gilan Province · Iran · 38.43° N · 48.87° E
Solar position in Āstārā
Sun position, daylight and the best solar panel angle for Āstārā — computed for 38.43° N, 48.87° E, -22 m above sea level.
The sun right now
Sun in Āstārā today
Saturday, 24 October 2026 · local time UTC+3:30
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:03 | sun 18° below horizon |
| Nautical dawn | 05:34 | 12° below |
| Civil dawn | 06:05 | 6° below |
| Sunrise | 06:32 | 104° ESE |
| Golden hour ends | 07:08 | sun 6° up |
| Solar noon | 11:58 | 39.8° high |
| Golden hour starts | 16:48 | sun 6° up |
| Sunset | 17:24 | 255° WSW |
| Civil dusk | 17:51 | 6° below |
| Nautical dusk | 18:22 | 12° below |
| Astronomical dusk | 18:53 | 18° below |
| Day length | 10 h 52 min | |
Sun path diagram for Āstārā
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 75.0° at solar noon in Āstārā; on the December solstice only 28.2°. Sunrise swings from 59° ENE in June to 120° ESE in December — a 61° 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 | 07:27 | 12:25 | 17:24 | 9 h 56 min | 31.7° |
| February | 06:57 | 12:28 | 17:58 | 11 h 01 min | 41.1° |
| March | 06:16 | 12:21 | 18:27 | 12 h 10 min | 51.9° |
| April | 05:30 | 12:13 | 18:56 | 13 h 26 min | 63.5° |
| May | 04:58 | 12:11 | 19:24 | 14 h 25 min | 71.8° |
| June | 04:50 | 12:16 | 19:41 | 14 h 51 min | 75.0° |
| July | 05:07 | 12:20 | 19:34 | 14 h 27 min | 72.0° |
| August | 05:34 | 12:17 | 19:00 | 13 h 27 min | 63.6° |
| September | 06:01 | 12:07 | 18:13 | 12 h 12 min | 52.2° |
| October | 06:29 | 11:58 | 17:28 | 10 h 59 min | 40.8° |
| November | 07:02 | 12:00 | 16:58 | 9 h 56 min | 31.7° |
| December | 07:27 | 12:12 | 16:57 | 9 h 29 min | 28.2° |
A year of daylight in Āstārā
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 Āstārā
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
30°collects the most energy over a year: 1386 kWh per kWp.
61°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° | 1231 | 89% | 1.41 | 4.0× |
| 15° | 1346 | 97% | 1.93 | 2.9× |
| 30° year-round best | 1386 | 100% | 2.32 | 2.3× |
| 38° = latitude | 1374 | 99% | 2.48 | 2.0× |
| 45° | 1347 | 97% | 2.58 | 1.8× |
| 60° | 1233 | 89% | 2.67 | 1.5× |
| 61° off-grid best | 1223 | 88% | 2.68 | 1.5× |
| 70° | 1120 | 81% | 2.65 | 1.3× |
| 90° | 825 | 60% | 2.38 | 1.5× |
A fixed array in Āstārā produces the most over a year at 30°. The design month for an off-grid system is December: at 61° it makes 2.68 kWh per kWp a day, 15% more than at 30°, and costs 12% of the yearly total. Why steep panels win winter.
Off-grid solar in Āstārā at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 30° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 30° | Mean temp. |
|---|---|---|---|---|---|
| January | 1.98 | 3.17 | 2.81 | 2.55 | 4.0 °C |
| February | 2.65 | 3.36 | 2.98 | 3.00 | 4.4 °C |
| March | 3.51 | 3.52 | 3.08 | 3.52 | 7.5 °C |
| April | 4.51 | 3.54 | 3.04 | 4.02 | 11.2 °C |
| May | 5.93 | 3.75 | 3.15 | 4.80 | 17.0 °C |
| June | 6.96 | 3.79 | 3.13 | 5.28 | 21.5 °C |
| July | 6.58 | 3.82 | 3.13 | 5.05 | 23.7 °C |
| August | 5.97 | 4.22 | 3.46 | 4.94 | 23.9 °C |
| September | 4.48 | 4.17 | 3.48 | 4.18 | 20.8 °C |
| October | 3.08 | 3.67 | 3.12 | 3.26 | 16.1 °C |
| November | 2.12 | 3.21 | 2.79 | 2.59 | 10.0 °C |
| December | 1.75 | 3.00 | 2.65 | 2.32 | 5.8 °C |
| Year | 4.14 avg | 3.60 avg | 1120 kWh | 1386 kWh |
Sizing example. To run a 1 kWh-per-day load through December on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 450 Wp of panels at 70°, versus 510 Wp at 30°. The steep array is 12% smaller for the same winter. Size your own system.
Row spacing in Āstārā
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.
4.7 mrow pitch at 70°
3.9 mrow pitch at 30°
How Āstārā compares in Iran
Against the other 422 places in Iran with climate data, for a fixed array at its best angle.
415thof 423 places in Iran for sunshine, shared: 4.14 peak sun hours a day on flat ground.
−21%solar energy a year compared with the average place in Iran: 1,386 against 1,760 kWh per kWp.
+16 mindaylight on the longest day, compared with Tehran: 14 h 51 min against 14 h 35 min.
30°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); Āstārā ranks joint 415th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 2.65 kWh a day here, against 2.96 kWh on average in Iran. The shortest day lasts 9 h 29 min, −15 min compared with Tehran.
Solar forecast for Āstārā, 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 Āstārā
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Places near Āstārā
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A free, live card for Āstārā: 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.