Osh Region · Kyrgyzstan · 40.63° N · 73.59° E
Solar position in Kara-Kulja
Sun position, daylight and the best solar panel angle for Kara-Kulja — computed for 40.63° N, 73.59° E, 1384 m above sea level.
The sun right now
Sun in Kara-Kulja today
Saturday, 24 October 2026 · local time UTC+6
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:54 | sun 18° below horizon |
| Nautical dawn | 06:26 | 12° below |
| Civil dawn | 06:58 | 6° below |
| Sunrise | 07:26 | 105° ESE |
| Golden hour ends | 08:04 | sun 6° up |
| Solar noon | 12:49 | 37.6° high |
| Golden hour starts | 17:34 | sun 6° up |
| Sunset | 18:12 | 255° WSW |
| Civil dusk | 18:40 | 6° below |
| Nautical dusk | 19:12 | 12° below |
| Astronomical dusk | 19:44 | 18° below |
| Day length | 10 h 47 min | |
Sun path diagram for Kara-Kulja
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 72.8° at solar noon in Kara-Kulja; on the December solstice only 26.0°. Sunrise swings from 58° ENE in June to 121° ESE in December — a 63° 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 | 08:24 | 13:17 | 18:09 | 9 h 45 min | 29.5° |
| February | 07:51 | 13:19 | 18:47 | 10 h 56 min | 38.9° |
| March | 07:07 | 13:13 | 19:18 | 12 h 10 min | 49.6° |
| April | 06:18 | 13:04 | 19:50 | 13 h 32 min | 61.3° |
| May | 05:43 | 13:02 | 20:21 | 14 h 37 min | 69.6° |
| June | 05:34 | 13:07 | 20:39 | 15 h 05 min | 72.8° |
| July | 05:52 | 13:12 | 20:31 | 14 h 39 min | 69.8° |
| August | 06:21 | 13:08 | 19:55 | 13 h 34 min | 61.4° |
| September | 06:51 | 12:58 | 19:05 | 12 h 13 min | 50.0° |
| October | 07:22 | 12:50 | 18:17 | 10 h 54 min | 38.7° |
| November | 07:58 | 12:51 | 17:43 | 9 h 45 min | 29.5° |
| December | 08:25 | 13:03 | 17:41 | 9 h 16 min | 26.0° |
A year of daylight in Kara-Kulja
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 Kara-Kulja
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
35°collects the most energy over a year: 1672 kWh per kWp.
63°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° | 1422 | 85% | 1.71 | 3.4× |
| 15° | 1588 | 95% | 2.43 | 2.4× |
| 30° | 1666 | 100% | 3.04 | 1.9× |
| 35° year-round best | 1672 | 100% | 3.20 | 1.8× |
| 41° = latitude | 1666 | 100% | 3.38 | 1.6× |
| 45° | 1653 | 99% | 3.48 | 1.6× |
| 60° | 1551 | 93% | 3.73 | 1.4× |
| 63° off-grid best | 1521 | 91% | 3.76 | 1.3× |
| 70° | 1437 | 86% | 3.78 | 1.4× |
| 90° | 1119 | 67% | 3.62 | 2.1× |
A fixed array in Kara-Kulja produces the most over a year at 35°. The design month for an off-grid system is December: at 63° it makes 3.76 kWh per kWp a day, 17% more than at 35°, and costs 9% of the yearly total. Why steep panels win winter.
Off-grid solar in Kara-Kulja at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 35° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 35° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 2.36 | 4.26 | 3.98 | 3.47 | -8.5 °C |
| February snow | 3.22 | 4.62 | 4.28 | 4.04 | -6.4 °C |
| March snow | 4.48 | 4.95 | 4.47 | 4.81 | -0.1 °C |
| April | 5.25 | 4.26 | 3.76 | 4.83 | 5.0 °C |
| May | 6.14 | 3.97 | 3.44 | 5.04 | 9.3 °C |
| June | 6.86 | 3.87 | 3.30 | 5.23 | 13.6 °C |
| July | 7.09 | 4.13 | 3.49 | 5.45 | 16.5 °C |
| August | 6.57 | 4.77 | 4.05 | 5.61 | 15.8 °C |
| September | 5.44 | 5.49 | 4.76 | 5.56 | 11.0 °C |
| October | 3.54 | 4.75 | 4.22 | 4.31 | 4.6 °C |
| November snow | 2.38 | 4.11 | 3.74 | 3.39 | -1.4 °C |
| December snow | 2.02 | 4.08 | 3.78 | 3.20 | -6.9 °C |
| Year | 4.62 avg | 4.44 avg | 1437 kWh | 1672 kWh |
Sizing example. To run a 1 kWh-per-day load through June on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 360 Wp of panels at 70°, versus 370 Wp at 35°. The steep array is 3% smaller for the same winter. Size your own system.
Row spacing in Kara-Kulja
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.
5.2 mrow pitch at 70°
4.4 mrow pitch at 35°
How Kara-Kulja compares in Kyrgyzstan
Against the other 30 places in Kyrgyzstan with climate data, for a fixed array at its best angle.
6thof 31 places in Kyrgyzstan for sunshine, shared: 4.62 peak sun hours a day on flat ground.
+4%solar energy a year compared with the average place in Kyrgyzstan: 1,672 against 1,608 kWh per kWp.
−16 mindaylight on the longest day, compared with Bishkek: 15 h 05 min against 15 h 21 min.
35°best year-round tilt here; across Kyrgyzstan it runs from 32° in Razzakov to 38° in Balykchy.
Of the 31 places in Kyrgyzstan, Nookat and 2 other places get the most sun (4.66 peak sun hours a day) and Kyzyl-Suu the least (4.11); Kara-Kulja ranks joint 6th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 3.30 kWh a day here, against 3.27 kWh on average in Kyrgyzstan. The shortest day lasts 9 h 16 min, +15 min compared with Bishkek.
Solar forecast for Kara-Kulja, 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 Kara-Kulja: 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.