Sughd · Tajikistan · 40.27° N · 69.80° E
Solar position in Qayroqqum
Sun position, daylight and the best solar panel angle for Qayroqqum — computed for 40.27° N, 69.80° E, 362 m above sea level.
The sun right now
Sun in Qayroqqum today
Saturday, 24 October 2026 · local time UTC+5
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:09 | sun 18° below horizon |
| Nautical dawn | 05:41 | 12° below |
| Civil dawn | 06:13 | 6° below |
| Sunrise | 06:40 | 105° ESE |
| Golden hour ends | 07:18 | sun 6° up |
| Solar noon | 12:04 | 38.0° high |
| Golden hour starts | 16:50 | sun 6° up |
| Sunset | 17:28 | 255° WSW |
| Civil dusk | 17:56 | 6° below |
| Nautical dusk | 18:28 | 12° below |
| Astronomical dusk | 18:59 | 18° below |
| Day length | 10 h 48 min | |
Sun path diagram for Qayroqqum
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 73.2° at solar noon in Qayroqqum; on the December solstice only 26.3°. 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 | 07:38 | 12:32 | 17:25 | 9 h 47 min | 29.9° |
| February | 07:06 | 12:34 | 18:02 | 10 h 57 min | 39.2° |
| March | 06:23 | 12:28 | 18:33 | 12 h 10 min | 50.0° |
| April | 05:34 | 12:19 | 19:05 | 13 h 31 min | 61.6° |
| May | 05:00 | 12:17 | 19:35 | 14 h 35 min | 69.9° |
| June | 04:51 | 12:22 | 19:53 | 15 h 03 min | 73.2° |
| July | 05:08 | 12:27 | 19:45 | 14 h 37 min | 70.2° |
| August | 05:37 | 12:23 | 19:09 | 13 h 32 min | 61.8° |
| September | 06:07 | 12:13 | 18:20 | 12 h 13 min | 50.4° |
| October | 06:37 | 12:05 | 17:32 | 10 h 55 min | 39.0° |
| November | 07:13 | 12:06 | 16:59 | 9 h 47 min | 29.8° |
| December | 07:39 | 12:18 | 16:57 | 9 h 18 min | 26.3° |
A year of daylight in Qayroqqum
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 Qayroqqum
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
32°collects the most energy over a year: 1601 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° | 1389 | 87% | 1.40 | 4.3× |
| 15° | 1539 | 96% | 1.94 | 3.1× |
| 30° | 1599 | 100% | 2.38 | 2.4× |
| 32° year-round best | 1601 | 100% | 2.43 | 2.4× |
| 40° = latitude | 1589 | 99% | 2.60 | 2.2× |
| 45° | 1568 | 98% | 2.69 | 2.1× |
| 60° | 1448 | 90% | 2.84 | 1.8× |
| 66° off-grid best | 1376 | 86% | 2.85 | 1.7× |
| 70° | 1322 | 83% | 2.84 | 1.7× |
| 90° | 985 | 62% | 2.64 | 2.0× |
A fixed array in Qayroqqum produces the most over a year at 32°. The design month for an off-grid system is December: at 66° it makes 2.85 kWh per kWp a day, 17% more than at 32°, and costs 14% of the yearly total. Why steep panels win winter.
Off-grid solar in Qayroqqum at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 32° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 32° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 1.91 | 3.16 | 2.87 | 2.56 | -1.9 °C |
| February snow | 2.70 | 3.71 | 3.35 | 3.23 | -0.1 °C |
| March | 3.96 | 4.21 | 3.71 | 4.14 | 6.0 °C |
| April | 5.32 | 4.34 | 3.74 | 4.86 | 11.4 °C |
| May | 6.51 | 4.15 | 3.50 | 5.28 | 17.0 °C |
| June | 7.43 | 4.07 | 3.36 | 5.57 | 22.1 °C |
| July | 7.57 | 4.32 | 3.54 | 5.72 | 24.4 °C |
| August | 6.88 | 4.96 | 4.09 | 5.76 | 23.2 °C |
| September | 5.63 | 5.68 | 4.79 | 5.59 | 17.9 °C |
| October | 3.74 | 5.02 | 4.36 | 4.39 | 11.1 °C |
| November | 2.28 | 3.73 | 3.32 | 3.04 | 4.4 °C |
| December snow | 1.70 | 3.14 | 2.84 | 2.43 | -0.7 °C |
| Year | 4.65 avg | 4.21 avg | 1322 kWh | 1601 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 410 Wp of panels at 70°, versus 480 Wp at 32°. The steep array is 14% smaller for the same winter. Size your own system.
Row spacing in Qayroqqum
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.
5.1 mrow pitch at 70°
4.2 mrow pitch at 32°
How Qayroqqum compares in Tajikistan
Against the other 30 places in Tajikistan with climate data, for a fixed array at its best angle.
24thof 31 places in Tajikistan for sunshine, shared: 4.64 peak sun hours a day on flat ground.
−2%solar energy a year compared with the average place in Tajikistan: 1,601 against 1,633 kWh per kWp.
+11 mindaylight on the longest day, compared with Dushanbe: 15 h 03 min against 14 h 52 min.
32°best year-round tilt here; across Tajikistan it runs from 31° in Dushanbe to 33° in Isfara.
Of the 31 places in Tajikistan, Zarhalol gets the most sun (5.11 peak sun hours a day) and Muchun the least (4.60); Qayroqqum ranks joint 24th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 2.84 kWh a day here, against 3.03 kWh on average in Tajikistan. The shortest day lasts 9 h 18 min, −10 min compared with Dushanbe.
Solar forecast for Qayroqqum, 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 Qayroqqum: 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.