Övörhangay · Mongolia · 44.67° N · 102.17° E
Solar position in Bogd
Sun position, daylight and the best solar panel angle for Bogd — computed for 44.67° N, 102.17° E, 1525 m above sea level.
The sun right now
Sun in Bogd today
Sunday, 25 October 2026 · local time UTC+8
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 06:01 | sun 18° below horizon |
| Nautical dawn | 06:35 | 12° below |
| Civil dawn | 07:09 | 6° below |
| Sunrise | 07:39 | 106° ESE |
| Golden hour ends | 08:20 | sun 6° up |
| Solar noon | 12:55 | 33.3° high |
| Golden hour starts | 17:30 | sun 6° up |
| Sunset | 18:11 | 254° WSW |
| Civil dusk | 18:40 | 6° below |
| Nautical dusk | 19:15 | 12° below |
| Astronomical dusk | 19:48 | 18° below |
| Day length | 10 h 32 min | |
Sun path diagram for Bogd
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 68.8° at solar noon in Bogd; on the December solstice only 21.9°. Sunrise swings from 55° NE in June to 123° ESE in December — a 68° 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 | 08:41 | 13:22 | 18:04 | 9 h 23 min | 25.5° |
| February | 08:02 | 13:25 | 18:47 | 10 h 45 min | 34.8° |
| March | 07:13 | 13:18 | 19:24 | 12 h 11 min | 45.6° |
| April | 06:17 | 13:10 | 20:03 | 13 h 46 min | 57.2° |
| May | 05:37 | 13:07 | 20:38 | 15 h 01 min | 65.5° |
| June | 05:25 | 13:13 | 21:00 | 15 h 34 min | 68.8° |
| July | 05:45 | 13:17 | 20:49 | 15 h 04 min | 65.8° |
| August | 06:20 | 13:14 | 20:07 | 13 h 48 min | 57.4° |
| September | 06:56 | 13:04 | 19:11 | 12 h 15 min | 46.0° |
| October | 07:33 | 12:55 | 18:17 | 10 h 43 min | 34.7° |
| November | 08:15 | 12:56 | 17:38 | 9 h 23 min | 25.4° |
| December | 08:45 | 13:09 | 17:33 | 8 h 48 min | 21.9° |
A year of daylight in Bogd
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 Bogd
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
43°collects the most energy over a year: 1860 kWh per kWp.
60°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° | 1432 | 77% | 1.46 | 4.1× |
| 15° | 1673 | 90% | 2.39 | 2.6× |
| 30° | 1818 | 98% | 3.19 | 1.9× |
| 43° year-round best | 1860 | 100% | 3.73 | 1.6× |
| 45° = latitude | 1860 | 100% | 3.80 | 1.6× |
| 60° off-grid best | 1796 | 97% | 4.17 | 1.5× |
| 70° | 1697 | 91% | 4.29 | 1.7× |
| 90° | 1383 | 74% | 4.18 | 2.4× |
A fixed array in Bogd produces the most over a year at 43°. The design month for an off-grid system is December: at 60° it makes 4.17 kWh per kWp a day, 12% more than at 43°, and costs 3% of the yearly total. Why steep panels win winter.
Off-grid solar in Bogd at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 43° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 43° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 2.06 | 4.80 | 4.58 | 4.06 | -15.0 °C |
| February snow | 3.13 | 5.63 | 5.30 | 4.97 | -11.2 °C |
| March snow | 4.73 | 6.63 | 6.04 | 6.07 | -2.5 °C |
| April | 6.17 | 5.49 | 4.84 | 5.90 | 6.1 °C |
| May | 7.13 | 4.89 | 4.20 | 5.69 | 12.8 °C |
| June | 7.17 | 4.39 | 3.66 | 5.20 | 19.2 °C |
| July | 6.75 | 4.34 | 3.58 | 4.98 | 22.2 °C |
| August | 6.15 | 4.84 | 4.04 | 5.17 | 19.9 °C |
| September | 5.16 | 5.66 | 4.87 | 5.49 | 12.7 °C |
| October | 3.80 | 6.00 | 5.35 | 5.36 | 3.5 °C |
| November snow | 2.40 | 5.54 | 5.11 | 4.56 | -5.4 °C |
| December snow | 1.75 | 4.51 | 4.29 | 3.73 | -13.5 °C |
| Year | 4.71 avg | 5.22 avg | 1697 kWh | 1860 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 330 Wp of panels at 70°, versus 320 Wp at 43°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Bogd
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.
6.2 mrow pitch at 70°
5.5 mrow pitch at 43°
How Bogd compares in Mongolia
Against the other 23 places in Mongolia with climate data, for a fixed array at its best angle.
1stof 24 places in Mongolia for sunshine: 4.71 peak sun hours a day on flat ground.
+6%solar energy a year compared with the average place in Mongolia: 1,860 against 1,757 kWh per kWp.
−28 mindaylight on the longest day, compared with Ulan Bator: 15 h 34 min against 16 h 02 min.
43°best year-round tilt here; across Mongolia it runs from 43° in Ulaangom to 48° in Mörön.
Bogd gets the most sun of the 24 places in Mongolia (4.71 peak sun hours a day); the least sunny is Sühbaatar with 3.82. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 3.58 kWh a day here, against 3.47 kWh on average in Mongolia. The shortest day lasts 8 h 48 min, +25 min compared with Ulan Bator.
Solar forecast for Bogd, 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 Bogd
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A free, live card for Bogd: 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.