Donetsk · Ukraine · 48.30° N · 38.02° E
Solar position in Horlivka
Sun position, daylight and the best solar panel angle for Horlivka — computed for 48.30° N, 38.02° E, 245 m above sea level.
The sun right now
Sun in Horlivka today
Saturday, 24 October 2026 · local time UTC+3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:16 | sun 18° below horizon |
| Nautical dawn | 05:52 | 12° below |
| Civil dawn | 06:28 | 6° below |
| Sunrise | 07:00 | 107° ESE |
| Golden hour ends | 07:44 | sun 6° up |
| Solar noon | 12:11 | 29.9° high |
| Golden hour starts | 16:38 | sun 6° up |
| Sunset | 17:22 | 253° WSW |
| Civil dusk | 17:54 | 6° below |
| Nautical dusk | 18:31 | 12° below |
| Astronomical dusk | 19:07 | 18° below |
| Day length | 10 h 22 min | |
Sun path diagram for Horlivka
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 65.1° at solar noon in Horlivka; on the December solstice only 18.3°. Sunrise swings from 52° NE in June to 126° SE in December — a 73° 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 | 07:09 | 11:39 | 16:09 | 9 h 00 min | 21.9° |
| February | 06:24 | 11:41 | 16:59 | 10 h 34 min | 31.2° |
| March | 05:29 | 11:35 | 17:41 | 12 h 13 min | 42.0° |
| April | 05:27 | 12:26 | 19:27 | 14 h 00 min | 53.6° |
| May | 04:41 | 12:24 | 20:08 | 15 h 27 min | 61.9° |
| June | 04:26 | 12:29 | 20:32 | 16 h 06 min | 65.1° |
| July | 04:49 | 12:34 | 20:18 | 15 h 30 min | 62.1° |
| August | 05:30 | 12:30 | 19:31 | 14 h 01 min | 53.8° |
| September | 06:12 | 12:20 | 18:28 | 12 h 15 min | 42.3° |
| October | 06:56 | 12:12 | 17:28 | 10 h 32 min | 31.0° |
| November | 06:43 | 11:13 | 15:43 | 8 h 59 min | 21.8° |
| December | 07:16 | 11:25 | 15:35 | 8 h 20 min | 18.3° |
A year of daylight in Horlivka
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 Horlivka
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
37°collects the most energy over a year: 1273 kWh per kWp.
75°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° | 1059 | 83% | 0.55 | 9.4× |
| 15° | 1196 | 94% | 0.82 | 6.5× |
| 30° | 1265 | 99% | 1.05 | 5.0× |
| 37° year-round best | 1273 | 100% | 1.14 | 4.4× |
| 45° | 1263 | 99% | 1.22 | 3.9× |
| 48° = latitude | 1254 | 99% | 1.25 | 3.8× |
| 60° | 1191 | 94% | 1.33 | 3.3× |
| 70° | 1107 | 87% | 1.37 | 2.9× |
| 75° off-grid best | 1054 | 83% | 1.37 | 2.7× |
| 90° | 864 | 68% | 1.33 | 2.3× |
A fixed array in Horlivka produces the most over a year at 37°. The design month for an off-grid system is December: at 75° it makes 1.37 kWh per kWp a day, 21% more than at 37°, and costs 17% of the yearly total. Why steep panels win winter.
Off-grid solar in Horlivka at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 37° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 37° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 0.98 | 1.95 | 1.78 | 1.51 | -5.6 °C |
| February snow | 1.90 | 3.17 | 2.90 | 2.62 | -4.5 °C |
| March | 3.04 | 3.67 | 3.29 | 3.48 | 1.5 °C |
| April | 4.48 | 4.17 | 3.63 | 4.35 | 8.9 °C |
| May | 5.88 | 4.39 | 3.71 | 4.97 | 16.1 °C |
| June | 6.41 | 4.26 | 3.53 | 5.02 | 20.9 °C |
| July | 6.26 | 4.35 | 3.56 | 4.95 | 23.9 °C |
| August | 5.62 | 4.77 | 3.93 | 4.95 | 23.5 °C |
| September | 3.99 | 4.55 | 3.85 | 4.23 | 16.9 °C |
| October | 2.30 | 3.47 | 3.03 | 2.95 | 9.0 °C |
| November | 1.10 | 2.04 | 1.81 | 1.63 | 2.2 °C |
| December snow | 0.71 | 1.52 | 1.37 | 1.14 | -3.1 °C |
| Year | 3.56 avg | 3.53 avg | 1107 kWh | 1273 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 860 Wp of panels at 70°, versus 1,040 Wp at 37°. The steep array is 17% smaller for the same winter. Size your own system.
Row spacing in Horlivka
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.
7.6 mrow pitch at 70°
6.1 mrow pitch at 37°
How Horlivka compares in Ukraine
Against the other 271 places in Ukraine with climate data, for a fixed array at its best angle.
81stof 272 places in Ukraine for sunshine, shared: 3.57 peak sun hours a day on flat ground.
+2%solar energy a year compared with the average place in Ukraine: 1,273 against 1,242 kWh per kWp.
−21 mindaylight on the longest day, compared with Kyiv: 16 h 06 min against 16 h 27 min.
37°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); Horlivka ranks joint 81st. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.37 kWh a day here, against 1.38 kWh on average in Ukraine. The shortest day lasts 8 h 20 min, +20 min compared with Kyiv.
Solar forecast for Horlivka, 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 Horlivka
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A free, live card for Horlivka: 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.