Selenge Province · Mongolia · 48.85° N · 106.46° E
Solar position in Dzüünharaa
Sun position, daylight and the best solar panel angle for Dzüünharaa — computed for 48.85° N, 106.46° E, 867 m above sea level.
The sun right now
Sun in Dzüünharaa today
Sunday, 25 October 2026 · local time UTC+8
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:43 | sun 18° below horizon |
| Nautical dawn | 06:20 | 12° below |
| Civil dawn | 06:56 | 6° below |
| Sunrise | 07:29 | 107° ESE |
| Golden hour ends | 08:14 | sun 6° up |
| Solar noon | 12:37 | 29.1° high |
| Golden hour starts | 17:01 | sun 6° up |
| Sunset | 17:46 | 252° WSW |
| Civil dusk | 18:18 | 6° below |
| Nautical dusk | 18:55 | 12° below |
| Astronomical dusk | 19:32 | 18° below |
| Day length | 10 h 17 min | |
Sun path diagram for Dzüünharaa
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 64.6° at solar noon in Dzüünharaa; on the December solstice only 17.8°. Sunrise swings from 52° NE in June to 126° SE in December — a 74° 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 | 08:37 | 13:05 | 17:33 | 8 h 56 min | 21.3° |
| February | 07:52 | 13:08 | 18:24 | 10 h 32 min | 30.6° |
| March | 06:55 | 13:01 | 19:07 | 12 h 12 min | 41.4° |
| April | 05:52 | 12:53 | 19:54 | 14 h 02 min | 53.0° |
| May | 05:05 | 12:50 | 20:36 | 15 h 31 min | 61.3° |
| June | 04:50 | 12:55 | 21:01 | 16 h 11 min | 64.6° |
| July | 05:13 | 13:00 | 20:47 | 15 h 34 min | 61.6° |
| August | 05:54 | 12:57 | 19:59 | 14 h 04 min | 53.3° |
| September | 06:38 | 12:47 | 18:55 | 12 h 16 min | 41.9° |
| October | 07:23 | 12:38 | 17:53 | 10 h 31 min | 30.5° |
| November | 08:11 | 12:39 | 17:07 | 8 h 56 min | 21.3° |
| December | 08:44 | 12:52 | 16:59 | 8 h 15 min | 17.8° |
A year of daylight in Dzüünharaa
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 Dzüünharaa
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
47°collects the most energy over a year: 1669 kWh per kWp.
66°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° | 1224 | 73% | 1.12 | 4.6× |
| 15° | 1457 | 87% | 1.94 | 2.8× |
| 30° | 1608 | 96% | 2.66 | 2.1× |
| 45° | 1668 | 100% | 3.21 | 1.8× |
| 47° year-round best | 1669 | 100% | 3.27 | 1.8× |
| 49° = latitude | 1669 | 100% | 3.33 | 1.8× |
| 60° | 1636 | 98% | 3.58 | 1.7× |
| 66° off-grid best | 1597 | 96% | 3.66 | 1.6× |
| 70° | 1564 | 94% | 3.70 | 1.7× |
| 90° | 1311 | 79% | 3.65 | 2.4× |
A fixed array in Dzüünharaa produces the most over a year at 47°. The design month for an off-grid system is December: at 66° it makes 3.66 kWh per kWp a day, 12% more than at 47°, and costs 4% of the yearly total. Why steep panels win winter.
Off-grid solar in Dzüünharaa at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 47° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 47° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 1.80 | 4.53 | 4.40 | 3.94 | -20.0 °C |
| February snow | 2.97 | 6.03 | 5.78 | 5.41 | -16.8 °C |
| March snow | 4.29 | 6.31 | 5.85 | 5.84 | -7.2 °C |
| April | 5.27 | 5.00 | 4.48 | 5.22 | 2.0 °C |
| May | 6.16 | 4.60 | 4.01 | 5.08 | 8.8 °C |
| June | 6.29 | 4.22 | 3.56 | 4.69 | 16.4 °C |
| July | 5.89 | 4.14 | 3.45 | 4.47 | 18.9 °C |
| August | 5.10 | 4.34 | 3.67 | 4.45 | 16.2 °C |
| September | 4.20 | 4.90 | 4.28 | 4.69 | 9.1 °C |
| October snow | 2.86 | 4.84 | 4.38 | 4.30 | -0.1 °C |
| November snow | 1.76 | 4.22 | 3.96 | 3.59 | -9.9 °C |
| December snow | 1.36 | 3.83 | 3.70 | 3.27 | -17.9 °C |
| Year | 4.00 avg | 4.74 avg | 1564 kWh | 1669 kWh |
Sizing example. To run a 1 kWh-per-day load through July on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 340 Wp of panels at 70°, versus 360 Wp at 47°. The steep array is 5% smaller for the same winter. Size your own system.
Row spacing in Dzüünharaa
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.
7.9 mrow pitch at 70°
7.0 mrow pitch at 47°
How Dzüünharaa compares in Mongolia
Against the other 23 places in Mongolia with climate data, for a fixed array at its best angle.
21stof 24 places in Mongolia for sunshine: 4.00 peak sun hours a day on flat ground.
−5%solar energy a year compared with the average place in Mongolia: 1,670 against 1,757 kWh per kWp.
+9 mindaylight on the longest day, compared with Ulan Bator: 16 h 11 min against 16 h 02 min.
47°best year-round tilt here; across Mongolia it runs from 43° in Ulaangom to 48° in Mörön.
Of the 24 places in Mongolia, Bogd gets the most sun (4.71 peak sun hours a day) and Sühbaatar the least (3.82); Dzüünharaa ranks 21st. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 3.45 kWh a day here, against 3.47 kWh on average in Mongolia. The shortest day lasts 8 h 15 min, −8 min compared with Ulan Bator.
Solar forecast for Dzüünharaa, 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 Dzüünharaa: 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.