Sumy · Ukraine · 51.68° N · 33.92° E
Solar position in Hlukhiv
Sun position, daylight and the best solar panel angle for Hlukhiv — computed for 51.68° N, 33.92° E, 178 m above sea level.
The sun right now
Sun in Hlukhiv today
Sunday, 25 October 2026 · local time UTC+3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:33 | sun 18° below horizon |
| Nautical dawn | 05:11 | 12° below |
| Civil dawn | 05:51 | 6° below |
| Sunrise | 06:25 | 109° ESE |
| Golden hour ends | 07:13 | sun 6° up |
| Solar noon | 11:28 | 26.2° high |
| Golden hour starts | 15:42 | sun 6° up |
| Sunset | 16:30 | 251° WSW |
| Civil dusk | 17:04 | 6° below |
| Nautical dusk | 17:44 | 12° below |
| Astronomical dusk | 18:22 | 18° below |
| Day length | 10 h 05 min | |
Sun path diagram for Hlukhiv
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 61.8° at solar noon in Hlukhiv; on the December solstice only 14.9°. Sunrise swings from 49° NE in June to 129° SE in December — a 80° 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 | 11:55 | 16:13 | 8 h 35 min | 18.5° |
| February | 06:46 | 11:58 | 17:09 | 10 h 23 min | 27.9° |
| March | 05:45 | 11:51 | 17:58 | 12 h 14 min | 38.7° |
| April | 05:35 | 12:43 | 19:51 | 14 h 15 min | 50.3° |
| May | 04:43 | 12:41 | 20:39 | 15 h 55 min | 58.6° |
| June | 04:25 | 12:46 | 21:06 | 16 h 40 min | 61.8° |
| July | 04:51 | 12:50 | 20:49 | 15 h 58 min | 58.8° |
| August | 05:38 | 12:47 | 19:55 | 14 h 17 min | 50.4° |
| September | 06:28 | 12:37 | 18:45 | 12 h 17 min | 39.0° |
| October | 07:18 | 12:28 | 17:38 | 10 h 20 min | 27.6° |
| November | 07:12 | 11:29 | 15:46 | 8 h 34 min | 18.4° |
| December | 07:48 | 11:42 | 15:36 | 7 h 48 min | 14.9° |
A year of daylight in Hlukhiv
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 Hlukhiv
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
39°collects the most energy over a year: 1195 kWh per kWp.
77°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° | 974 | 82% | 0.41 | 12.3× |
| 15° | 1108 | 93% | 0.63 | 8.3× |
| 30° | 1182 | 99% | 0.83 | 6.2× |
| 39° year-round best | 1195 | 100% | 0.93 | 5.4× |
| 45° | 1190 | 100% | 0.98 | 4.9× |
| 52° = latitude | 1172 | 98% | 1.04 | 4.4× |
| 60° | 1134 | 95% | 1.08 | 3.9× |
| 70° | 1062 | 89% | 1.12 | 3.4× |
| 77° off-grid best | 997 | 83% | 1.13 | 3.3× |
| 90° | 849 | 71% | 1.10 | 3.0× |
A fixed array in Hlukhiv produces the most over a year at 39°. The design month for an off-grid system is December: at 77° it makes 1.13 kWh per kWp a day, 22% more than at 39°, and costs 17% of the yearly total. Why steep panels win winter.
Off-grid solar in Hlukhiv at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 39° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 39° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 0.81 | 1.79 | 1.64 | 1.38 | -8.1 °C |
| February snow | 1.71 | 2.98 | 2.75 | 2.48 | -6.9 °C |
| March snow | 3.10 | 4.19 | 3.80 | 3.81 | -1.0 °C |
| April | 4.26 | 4.20 | 3.67 | 4.27 | 7.6 °C |
| May | 5.65 | 4.46 | 3.79 | 4.88 | 14.8 °C |
| June | 6.17 | 4.36 | 3.65 | 4.96 | 18.3 °C |
| July | 5.82 | 4.31 | 3.58 | 4.75 | 20.7 °C |
| August | 5.01 | 4.50 | 3.75 | 4.57 | 20.0 °C |
| September | 3.38 | 3.99 | 3.41 | 3.68 | 14.1 °C |
| October | 1.80 | 2.76 | 2.41 | 2.35 | 6.8 °C |
| November snow | 0.78 | 1.53 | 1.35 | 1.19 | 0.5 °C |
| December snow | 0.54 | 1.24 | 1.12 | 0.93 | -5.2 °C |
| Year | 3.26 avg | 3.36 avg | 1062 kWh | 1195 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 1,060 Wp of panels at 70°, versus 1,270 Wp at 39°. The steep array is 17% smaller for the same winter. Size your own system.
Row spacing in Hlukhiv
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.
9.7 mrow pitch at 70°
7.6 mrow pitch at 39°
How Hlukhiv compares in Ukraine
Against the other 271 places in Ukraine with climate data, for a fixed array at its best angle.
221stof 272 places in Ukraine for sunshine, shared: 3.26 peak sun hours a day on flat ground.
−4%solar energy a year compared with the average place in Ukraine: 1,195 against 1,242 kWh per kWp.
+13 mindaylight on the longest day, compared with Kyiv: 16 h 40 min against 16 h 27 min.
39°best year-round tilt here; across Ukraine it runs from 33° in Sevastopol to 40° in Novhorod-Siverskyi.
Of the 272 places in Ukraine, Balaklava and one other place get the most sun (4.05 peak sun hours a day) and Mostyska and 2 other places the least (3.11); Hlukhiv ranks joint 221st. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.12 kWh a day here, against 1.38 kWh on average in Ukraine. The shortest day lasts 7 h 48 min, −12 min compared with Kyiv.
Solar forecast for Hlukhiv, 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 Hlukhiv: 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.