Selenge Province · Mongolia · 50.23° N · 106.21° E
Solar position in Sühbaatar
Sun position, daylight and the best solar panel angle for Sühbaatar — computed for 50.23° N, 106.21° E, 619 m above sea level.
The sun right now
Sun in Sühbaatar today
Sunday, 25 October 2026 · local time UTC+8
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:44 | sun 18° below horizon |
| Nautical dawn | 06:21 | 12° below |
| Civil dawn | 06:59 | 6° below |
| Sunrise | 07:33 | 108° ESE |
| Golden hour ends | 08:19 | sun 6° up |
| Solar noon | 12:38 | 27.7° high |
| Golden hour starts | 16:58 | sun 6° up |
| Sunset | 17:44 | 252° WSW |
| Civil dusk | 18:18 | 6° below |
| Nautical dusk | 18:55 | 12° below |
| Astronomical dusk | 19:33 | 18° below |
| Day length | 10 h 12 min | |
Sun path diagram for Sühbaatar
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 63.2° at solar noon in Sühbaatar; on the December solstice only 16.4°. Sunrise swings from 50° NE in June to 127° SE in December — a 77° 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 | 08:43 | 13:06 | 17:29 | 8 h 46 min | 19.9° |
| February | 07:55 | 13:09 | 18:22 | 10 h 27 min | 29.2° |
| March | 06:56 | 13:02 | 19:09 | 12 h 13 min | 40.0° |
| April | 05:50 | 12:54 | 19:58 | 14 h 08 min | 51.6° |
| May | 05:01 | 12:51 | 20:43 | 15 h 42 min | 60.0° |
| June | 04:44 | 12:56 | 21:09 | 16 h 25 min | 63.2° |
| July | 05:08 | 13:01 | 20:54 | 15 h 46 min | 60.2° |
| August | 05:52 | 12:58 | 20:03 | 14 h 10 min | 51.9° |
| September | 06:39 | 12:48 | 18:56 | 12 h 17 min | 40.5° |
| October | 07:26 | 12:39 | 17:52 | 10 h 26 min | 29.1° |
| November | 08:17 | 12:40 | 17:03 | 8 h 46 min | 19.9° |
| December | 08:51 | 12:53 | 16:54 | 8 h 02 min | 16.4° |
A year of daylight in Sühbaatar
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 Sühbaatar
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
48°collects the most energy over a year: 1591 kWh per kWp.
73°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° | 1163 | 73% | 0.95 | 5.4× |
| 15° | 1386 | 87% | 1.69 | 3.2× |
| 30° | 1531 | 96% | 2.34 | 2.3× |
| 45° | 1590 | 100% | 2.85 | 1.9× |
| 48° year-round best | 1591 | 100% | 2.93 | 1.9× |
| 50° = latitude | 1590 | 100% | 2.98 | 1.9× |
| 60° | 1561 | 98% | 3.19 | 1.8× |
| 70° | 1493 | 94% | 3.30 | 1.7× |
| 73° off-grid best | 1466 | 92% | 3.32 | 1.7× |
| 90° | 1255 | 79% | 3.27 | 2.2× |
A fixed array in Sühbaatar produces the most over a year at 48°. The design month for an off-grid system is December: at 73° it makes 3.32 kWh per kWp a day, 13% more than at 48°, and costs 8% of the yearly total. Why steep panels win winter.
Off-grid solar in Sühbaatar at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 48° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 48° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 1.57 | 4.14 | 4.03 | 3.61 | -20.2 °C |
| February snow | 2.70 | 5.59 | 5.37 | 5.04 | -16.9 °C |
| March snow | 4.08 | 6.08 | 5.62 | 5.60 | -6.7 °C |
| April | 5.03 | 4.89 | 4.37 | 5.03 | 2.8 °C |
| May | 6.06 | 4.66 | 4.04 | 5.03 | 9.8 °C |
| June | 6.25 | 4.30 | 3.61 | 4.66 | 17.6 °C |
| July | 5.83 | 4.20 | 3.49 | 4.44 | 20.2 °C |
| August | 4.94 | 4.30 | 3.62 | 4.33 | 17.2 °C |
| September | 3.98 | 4.74 | 4.13 | 4.49 | 9.7 °C |
| October snow | 2.61 | 4.48 | 4.04 | 3.97 | 0.4 °C |
| November snow | 1.57 | 3.82 | 3.58 | 3.26 | -9.4 °C |
| December snow | 1.17 | 3.43 | 3.30 | 2.93 | -17.8 °C |
| Year | 3.82 avg | 4.55 avg | 1493 kWh | 1591 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 360 Wp of panels at 70°, versus 400 Wp at 48°. The steep array is 11% smaller for the same winter. Size your own system.
Row spacing in Sühbaatar
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.
8.7 mrow pitch at 70°
7.7 mrow pitch at 48°
How Sühbaatar compares in Mongolia
Against the other 23 places in Mongolia with climate data, for a fixed array at its best angle.
24thof 24 places in Mongolia for sunshine: 3.82 peak sun hours a day on flat ground.
−9%solar energy a year compared with the average place in Mongolia: 1,592 against 1,757 kWh per kWp.
+23 mindaylight on the longest day, compared with Ulan Bator: 16 h 25 min against 16 h 02 min.
48°best year-round tilt here; across Mongolia it runs from 43° in Ulaangom to 48° in Mörön.
Sühbaatar gets the least sun of the 24 places in Mongolia (3.82 peak sun hours a day); the sunniest is Bogd with 4.71. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 3.30 kWh a day here, against 3.47 kWh on average in Mongolia. The shortest day lasts 8 h 02 min, −21 min compared with Ulan Bator.
Solar forecast for Sühbaatar, 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 Sühbaatar
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Places near Sühbaatar
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A free, live card for Sühbaatar: 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.