Sumy · Ukraine · 50.74° N · 33.50° E
Solar position in Romny
Sun position, daylight and the best solar panel angle for Romny — computed for 50.74° N, 33.50° E, 121 m above sea level.
The sun right now
Sun in Romny today
Saturday, 24 October 2026 · local time UTC+3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:33 | sun 18° below horizon |
| Nautical dawn | 06:11 | 12° below |
| Civil dawn | 06:49 | 6° below |
| Sunrise | 07:23 | 108° ESE |
| Golden hour ends | 08:10 | sun 6° up |
| Solar noon | 12:29 | 27.5° high |
| Golden hour starts | 16:49 | sun 6° up |
| Sunset | 17:36 | 252° WSW |
| Civil dusk | 18:09 | 6° below |
| Nautical dusk | 18:48 | 12° below |
| Astronomical dusk | 19:25 | 18° below |
| Day length | 10 h 12 min | |
Sun path diagram for Romny
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 62.7° at solar noon in Romny; on the December solstice only 15.9°. Sunrise swings from 50° NE in June to 128° SE in December — a 78° 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 | 07:36 | 11:57 | 16:18 | 8 h 43 min | 19.4° |
| February | 06:46 | 11:59 | 17:13 | 10 h 26 min | 28.8° |
| March | 05:46 | 11:53 | 18:00 | 12 h 13 min | 39.6° |
| April | 05:39 | 12:44 | 19:50 | 14 h 11 min | 51.2° |
| May | 04:49 | 12:42 | 20:36 | 15 h 47 min | 59.5° |
| June | 04:32 | 12:47 | 21:02 | 16 h 30 min | 62.7° |
| July | 04:57 | 12:52 | 20:46 | 15 h 50 min | 59.7° |
| August | 05:42 | 12:48 | 19:54 | 14 h 12 min | 51.3° |
| September | 06:30 | 12:38 | 18:46 | 12 h 16 min | 39.9° |
| October | 07:18 | 12:30 | 17:41 | 10 h 23 min | 28.5° |
| November | 07:10 | 11:31 | 15:52 | 8 h 42 min | 19.4° |
| December | 07:45 | 11:44 | 15:42 | 7 h 57 min | 15.9° |
A year of daylight in Romny
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 Romny
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: 1214 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° | 997 | 82% | 0.45 | 11.3× |
| 15° | 1131 | 93% | 0.68 | 7.7× |
| 30° | 1203 | 99% | 0.89 | 5.8× |
| 39° year-round best | 1214 | 100% | 1.00 | 5.0× |
| 45° | 1208 | 99% | 1.05 | 4.5× |
| 51° = latitude | 1191 | 98% | 1.10 | 4.2× |
| 60° | 1147 | 94% | 1.16 | 3.7× |
| 70° | 1071 | 88% | 1.20 | 3.2× |
| 77° off-grid best | 1003 | 83% | 1.20 | 2.9× |
| 90° | 849 | 70% | 1.18 | 2.7× |
A fixed array in Romny produces the most over a year at 39°. The design month for an off-grid system is December: at 77° it makes 1.20 kWh per kWp a day, 21% more than at 39°, and costs 17% of the yearly total. Why steep panels win winter.
Off-grid solar in Romny 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 | 0.86 | 1.83 | 1.67 | 1.42 | -7.2 °C |
| February snow | 1.72 | 2.91 | 2.68 | 2.43 | -5.8 °C |
| March snow | 3.04 | 4.04 | 3.64 | 3.67 | 0.1 °C |
| April | 4.38 | 4.26 | 3.72 | 4.35 | 8.3 °C |
| May | 5.73 | 4.46 | 3.78 | 4.91 | 15.3 °C |
| June | 6.25 | 4.34 | 3.62 | 4.97 | 19.2 °C |
| July | 6.01 | 4.37 | 3.61 | 4.84 | 21.9 °C |
| August | 5.21 | 4.61 | 3.82 | 4.69 | 21.3 °C |
| September | 3.51 | 4.13 | 3.51 | 3.80 | 15.2 °C |
| October | 1.94 | 2.98 | 2.60 | 2.54 | 7.6 °C |
| November | 0.83 | 1.54 | 1.36 | 1.23 | 1.3 °C |
| December snow | 0.59 | 1.33 | 1.20 | 1.00 | -4.3 °C |
| Year | 3.35 avg | 3.40 avg | 1071 kWh | 1214 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 990 Wp of panels at 70°, versus 1,180 Wp at 39°. The steep array is 17% smaller for the same winter. Size your own system.
Row spacing in Romny
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.
9.0 mrow pitch at 70°
7.2 mrow pitch at 39°
How Romny compares in Ukraine
Against the other 271 places in Ukraine with climate data, for a fixed array at its best angle.
178thof 272 places in Ukraine for sunshine, shared: 3.35 peak sun hours a day on flat ground.
−2%solar energy a year compared with the average place in Ukraine: 1,214 against 1,242 kWh per kWp.
+3 mindaylight on the longest day, compared with Kyiv: 16 h 30 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); Romny ranks joint 178th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.20 kWh a day here, against 1.38 kWh on average in Ukraine. The shortest day lasts 7 h 57 min, −3 min compared with Kyiv.
Solar forecast for Romny, 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 Romny
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Places near Romny
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A free, live card for Romny: 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.