Sardinia · Italy · 39.23° N · 9.12° E
Solar position in Cagliari
Sun position, daylight and the best solar panel angle for Cagliari — computed for 39.23° N, 9.12° E, 6 m above sea level.
The sun right now
Sun in Cagliari today
Saturday, 24 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 06:12 | sun 18° below horizon |
| Nautical dawn | 06:43 | 12° below |
| Civil dawn | 07:15 | 6° below |
| Sunrise | 07:42 | 105° ESE |
| Golden hour ends | 08:19 | sun 6° up |
| Solar noon | 13:07 | 38.9° high |
| Golden hour starts | 17:55 | sun 6° up |
| Sunset | 18:32 | 255° WSW |
| Civil dusk | 18:59 | 6° below |
| Nautical dusk | 19:31 | 12° below |
| Astronomical dusk | 20:02 | 18° below |
| Day length | 10 h 50 min | |
Sun path diagram for Cagliari
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 74.2° at solar noon in Cagliari; on the December solstice only 27.4°. Sunrise swings from 58° ENE in June to 120° ESE in December — a 62° 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 | 12:34 | 17:31 | 9 h 53 min | 31.0° |
| February | 07:07 | 12:37 | 18:07 | 10 h 59 min | 40.3° |
| March | 06:25 | 12:30 | 18:36 | 12 h 11 min | 51.1° |
| April | 06:38 | 13:22 | 20:06 | 13 h 28 min | 62.7° |
| May | 06:05 | 13:20 | 20:35 | 14 h 30 min | 71.0° |
| June | 05:57 | 13:25 | 20:53 | 14 h 56 min | 74.2° |
| July | 06:14 | 13:29 | 20:45 | 14 h 31 min | 71.2° |
| August | 06:41 | 13:26 | 20:10 | 13 h 29 min | 62.8° |
| September | 07:10 | 13:16 | 19:22 | 12 h 12 min | 51.4° |
| October | 07:39 | 13:07 | 18:36 | 10 h 57 min | 40.0° |
| November | 07:13 | 12:09 | 17:05 | 9 h 52 min | 30.8° |
| December | 07:39 | 12:21 | 17:03 | 9 h 24 min | 27.4° |
A year of daylight in Cagliari
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 Cagliari
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: 1580 kWh per kWp.
63°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° | 1378 | 87% | 1.49 | 4.1× |
| 15° | 1523 | 96% | 2.10 | 2.9× |
| 30° | 1579 | 100% | 2.58 | 2.2× |
| 32° year-round best | 1580 | 100% | 2.63 | 2.2× |
| 39° = latitude | 1569 | 99% | 2.79 | 1.9× |
| 45° | 1543 | 98% | 2.89 | 1.8× |
| 60° | 1419 | 90% | 3.03 | 1.5× |
| 63° off-grid best | 1384 | 88% | 3.03 | 1.4× |
| 70° | 1291 | 82% | 3.01 | 1.3× |
| 90° | 950 | 60% | 2.73 | 1.8× |
A fixed array in Cagliari produces the most over a year at 32°. The design month for an off-grid system is December: at 63° it makes 3.03 kWh per kWp a day, 15% more than at 32°, and costs 12% of the yearly total. Why steep panels win winter.
Off-grid solar in Cagliari 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 | 2.12 | 3.63 | 3.15 | 2.83 | 10.4 °C |
| February | 3.03 | 4.16 | 3.62 | 3.58 | 10.1 °C |
| March | 4.26 | 4.55 | 3.92 | 4.39 | 11.9 °C |
| April | 5.45 | 4.36 | 3.72 | 4.89 | 14.4 °C |
| May | 6.54 | 4.09 | 3.44 | 5.25 | 17.7 °C |
| June | 7.52 | 4.01 | 3.30 | 5.58 | 22.3 °C |
| July | 7.56 | 4.22 | 3.43 | 5.65 | 25.4 °C |
| August | 6.65 | 4.72 | 3.85 | 5.47 | 25.8 °C |
| September | 4.99 | 4.81 | 3.98 | 4.72 | 22.4 °C |
| October | 3.63 | 4.63 | 3.88 | 3.99 | 19.3 °C |
| November | 2.32 | 3.67 | 3.13 | 2.90 | 15.0 °C |
| December | 1.89 | 3.48 | 3.01 | 2.63 | 11.7 °C |
| Year | 4.67 avg | 4.19 avg | 1291 kWh | 1580 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 390 Wp of panels at 70°, versus 450 Wp at 32°. The steep array is 13% smaller for the same winter. Size your own system.
Row spacing in Cagliari
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.
4.9 mrow pitch at 70°
4.1 mrow pitch at 32°
How Cagliari compares in Italy
Against the other 596 places in Italy with climate data, for a fixed array at its best angle.
64thof 597 places in Italy for sunshine, shared: 4.67 peak sun hours a day on flat ground.
+9%solar energy a year compared with the average place in Italy: 1,580 against 1,452 kWh per kWp.
−18 mindaylight on the longest day, compared with Rome: 14 h 56 min against 15 h 14 min.
32°best year-round tilt here; across Italy it runs from 30° in Palermo to 42° in Bolzano.
Of the 597 places in Italy, Pozzallo and one other place get the most sun (4.91 peak sun hours a day) and Bressanone the least (3.51); Cagliari ranks joint 64th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 3.01 kWh a day here, against 2.63 kWh on average in Italy. The shortest day lasts 9 h 24 min, +17 min compared with Rome.
Solar forecast for Cagliari, 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 Cagliari
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Places near Cagliari
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A free, live card for Cagliari: 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.