Constanța County · Romania · 43.82° N · 28.58° E
Solar position in Mangalia
Sun position, daylight and the best solar panel angle for Mangalia — computed for 43.82° N, 28.58° E, 1 m above sea level.
The sun right now
Sun in Mangalia today
Sunday, 25 October 2026 · local time UTC+3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:55 | sun 18° below horizon |
| Nautical dawn | 05:29 | 12° below |
| Civil dawn | 06:02 | 6° below |
| Sunrise | 06:32 | 106° ESE |
| Golden hour ends | 07:12 | sun 6° up |
| Solar noon | 11:49 | 34.0° high |
| Golden hour starts | 16:26 | sun 6° up |
| Sunset | 17:06 | 254° WSW |
| Civil dusk | 17:35 | 6° below |
| Nautical dusk | 18:09 | 12° below |
| Astronomical dusk | 18:42 | 18° below |
| Day length | 10 h 34 min | |
Sun path diagram for Mangalia
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 69.6° at solar noon in Mangalia; on the December solstice only 22.8°. Sunrise swings from 56° NE in June to 123° ESE in December — a 67° 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 | 07:32 | 12:17 | 17:01 | 9 h 28 min | 26.4° |
| February | 06:55 | 12:19 | 17:43 | 10 h 48 min | 35.7° |
| March | 06:07 | 12:13 | 18:19 | 12 h 12 min | 46.5° |
| April | 06:13 | 13:04 | 19:56 | 13 h 43 min | 58.1° |
| May | 05:34 | 13:02 | 20:30 | 14 h 56 min | 66.4° |
| June | 05:23 | 13:07 | 20:51 | 15 h 28 min | 69.6° |
| July | 05:42 | 13:12 | 20:40 | 14 h 58 min | 66.6° |
| August | 06:16 | 13:08 | 20:00 | 13 h 44 min | 58.2° |
| September | 06:51 | 12:58 | 19:05 | 12 h 14 min | 46.8° |
| October | 07:27 | 12:50 | 18:12 | 10 h 45 min | 35.4° |
| November | 07:07 | 11:51 | 16:35 | 9 h 27 min | 26.3° |
| December | 07:36 | 12:03 | 16:30 | 8 h 55 min | 22.8° |
A year of daylight in Mangalia
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 Mangalia
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
33°collects the most energy over a year: 1350 kWh per kWp.
65°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° | 1165 | 86% | 0.91 | 5.9× |
| 15° | 1294 | 96% | 1.31 | 4.2× |
| 30° | 1349 | 100% | 1.62 | 3.3× |
| 33° year-round best | 1350 | 100% | 1.67 | 3.1× |
| 44° = latitude | 1329 | 98% | 1.83 | 2.7× |
| 45° | 1325 | 98% | 1.84 | 2.7× |
| 60° | 1227 | 91% | 1.94 | 2.2× |
| 65° off-grid best | 1179 | 87% | 1.95 | 2.1× |
| 70° | 1123 | 83% | 1.94 | 2.0× |
| 90° | 841 | 62% | 1.79 | 1.6× |
A fixed array in Mangalia produces the most over a year at 33°. The design month for an off-grid system is December: at 65° it makes 1.95 kWh per kWp a day, 16% more than at 33°, and costs 13% of the yearly total. Why steep panels win winter.
Off-grid solar in Mangalia at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 33° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 33° | Mean temp. |
|---|---|---|---|---|---|
| January | 1.33 | 2.30 | 2.05 | 1.82 | 2.2 °C |
| February | 2.10 | 2.90 | 2.57 | 2.52 | 3.4 °C |
| March | 3.36 | 3.79 | 3.34 | 3.62 | 6.5 °C |
| April | 4.95 | 4.30 | 3.72 | 4.65 | 10.5 °C |
| May | 6.14 | 4.22 | 3.56 | 5.10 | 16.6 °C |
| June | 6.72 | 4.07 | 3.36 | 5.19 | 21.7 °C |
| July | 6.74 | 4.25 | 3.47 | 5.25 | 24.4 °C |
| August | 6.01 | 4.69 | 3.84 | 5.14 | 24.6 °C |
| September | 4.31 | 4.50 | 3.76 | 4.28 | 20.1 °C |
| October | 2.69 | 3.61 | 3.08 | 3.09 | 14.5 °C |
| November | 1.55 | 2.53 | 2.19 | 2.00 | 9.3 °C |
| December | 1.16 | 2.20 | 1.94 | 1.67 | 4.2 °C |
| Year | 3.93 avg | 3.62 avg | 1123 kWh | 1350 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 610 Wp of panels at 70°, versus 700 Wp at 33°. The steep array is 14% smaller for the same winter. Size your own system.
Row spacing in Mangalia
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.
6.0 mrow pitch at 70°
4.7 mrow pitch at 33°
How Mangalia compares in Romania
Against the other 125 places in Romania with climate data, for a fixed array at its best angle.
1stof 126 places in Romania for sunshine: 3.93 peak sun hours a day on flat ground.
+4%solar energy a year compared with the average place in Romania: 1,350 against 1,300 kWh per kWp.
−5 mindaylight on the longest day, compared with Bucharest: 15 h 28 min against 15 h 33 min.
33°best year-round tilt here; across Romania it runs from 33° in Mangalia to 39° in Bistriţa.
Mangalia gets the most sun of the 126 places in Romania (3.93 peak sun hours a day); the least sunny are Vişeu de Sus and one other place with 3.33. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.95 kWh a day here, against 2.01 kWh on average in Romania. The shortest day lasts 8 h 55 min, +4 min compared with Bucharest.
Solar forecast for Mangalia, 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 Mangalia
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Places near Mangalia
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A free, live card for Mangalia: 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.