Ağrı · Turkey · 39.54° N · 43.67° E
Solar position in Diyadin
Sun position, daylight and the best solar panel angle for Diyadin — computed for 39.54° N, 43.67° E, 1928 m above sea level.
The sun right now
Sun in Diyadin today
Saturday, 24 October 2026 · local time UTC+3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:54 | sun 18° below horizon |
| Nautical dawn | 05:25 | 12° below |
| Civil dawn | 05:57 | 6° below |
| Sunrise | 06:24 | 105° ESE |
| Golden hour ends | 07:01 | sun 6° up |
| Solar noon | 11:49 | 38.7° high |
| Golden hour starts | 16:36 | sun 6° up |
| Sunset | 17:13 | 255° WSW |
| Civil dusk | 17:41 | 6° below |
| Nautical dusk | 18:12 | 12° below |
| Astronomical dusk | 18:43 | 18° below |
| Day length | 10 h 49 min | |
Sun path diagram for Diyadin
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 73.9° at solar noon in Diyadin; on the December solstice only 27.0°. Sunrise swings from 58° ENE in June to 120° ESE in December — a 62° 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 | 07:21 | 12:16 | 17:12 | 9 h 51 min | 30.6° |
| February | 06:49 | 12:19 | 17:48 | 10 h 58 min | 40.0° |
| March | 06:07 | 12:12 | 18:18 | 12 h 10 min | 50.8° |
| April | 05:19 | 12:04 | 18:48 | 13 h 29 min | 62.4° |
| May | 04:46 | 12:01 | 19:17 | 14 h 31 min | 70.7° |
| June | 04:38 | 12:07 | 19:36 | 14 h 58 min | 73.9° |
| July | 04:55 | 12:11 | 19:28 | 14 h 33 min | 70.9° |
| August | 05:23 | 12:08 | 18:53 | 13 h 30 min | 62.5° |
| September | 05:51 | 11:58 | 18:04 | 12 h 13 min | 51.1° |
| October | 06:21 | 11:49 | 17:18 | 10 h 57 min | 39.7° |
| November | 06:55 | 11:50 | 16:46 | 9 h 50 min | 30.5° |
| December | 07:22 | 12:03 | 16:44 | 9 h 22 min | 27.0° |
A year of daylight in Diyadin
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 Diyadin
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
33°collects the most energy over a year: 1604 kWh per kWp.
67°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° | 1396 | 87% | 1.59 | 3.8× |
| 15° | 1541 | 96% | 2.21 | 2.7× |
| 30° | 1602 | 100% | 2.73 | 2.1× |
| 33° year-round best | 1604 | 100% | 2.82 | 2.0× |
| 40° = latitude | 1594 | 99% | 2.99 | 1.8× |
| 45° | 1575 | 98% | 3.10 | 1.7× |
| 60° | 1464 | 91% | 3.31 | 1.5× |
| 67° off-grid best | 1385 | 86% | 3.34 | 1.4× |
| 70° | 1346 | 84% | 3.35 | 1.4× |
| 90° | 1029 | 64% | 3.19 | 2.0× |
A fixed array in Diyadin produces the most over a year at 33°. The design month for an off-grid system is December: at 67° it makes 3.34 kWh per kWp a day, 19% more than at 33°, and costs 14% of the yearly total. Why steep panels win winter.
Off-grid solar in Diyadin at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 33° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 33° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 2.40 | 4.12 | 3.82 | 3.32 | -6.6 °C |
| February snow | 3.28 | 4.55 | 4.18 | 3.95 | -4.6 °C |
| March | 3.98 | 3.98 | 3.58 | 4.09 | 0.6 °C |
| April | 4.66 | 3.67 | 3.23 | 4.21 | 5.4 °C |
| May | 5.92 | 3.79 | 3.27 | 4.84 | 10.6 °C |
| June | 7.39 | 4.00 | 3.37 | 5.57 | 16.3 °C |
| July | 7.38 | 4.19 | 3.49 | 5.60 | 20.3 °C |
| August | 6.69 | 4.74 | 3.95 | 5.57 | 20.5 °C |
| September | 5.46 | 5.35 | 4.55 | 5.38 | 15.7 °C |
| October | 3.59 | 4.62 | 4.04 | 4.16 | 8.8 °C |
| November | 2.34 | 3.84 | 3.46 | 3.19 | 1.2 °C |
| December snow | 1.91 | 3.65 | 3.35 | 2.82 | -4.1 °C |
| Year | 4.59 avg | 4.21 avg | 1346 kWh | 1604 kWh |
Sizing example. To run a 1 kWh-per-day load through April on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 360 Wp of panels at 70°, versus 420 Wp at 33°. The steep array is 13% smaller for the same winter. Size your own system.
Row spacing in Diyadin
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.
4.9 mrow pitch at 70°
4.1 mrow pitch at 33°
How Diyadin compares in Turkey
Against the other 415 places in Turkey with climate data, for a fixed array at its best angle.
233rdof 416 places in Turkey for sunshine, shared: 4.59 peak sun hours a day on flat ground.
+2%solar energy a year compared with the average place in Turkey: 1,604 against 1,567 kWh per kWp.
−10 mindaylight on the longest day, compared with Istanbul: 14 h 58 min against 15 h 08 min.
33°best year-round tilt here; across Turkey it runs from 29° in Antakya to 36° in Ardahan.
Of the 416 places in Turkey, Sarigerme and 2 other places get the most sun (5.11 peak sun hours a day) and Hopa the least (3.80); Diyadin ranks joint 233rd. In its darkest month, April, 1 kWp of off-grid panels at 70° makes 3.23 kWh a day here, against 2.84 kWh on average in Turkey. The shortest day lasts 9 h 22 min, +9 min compared with Istanbul.
Solar forecast for Diyadin, 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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A free, live card for Diyadin: 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.