Lazio · Italy · 41.76° N · 12.33° E
Solar position in Acilia-Castel Fusano-Ostia Antica
Sun position, daylight and the best solar panel angle for Acilia-Castel Fusano-Ostia Antica — computed for 41.76° N, 12.33° E, 5 m above sea level.
The sun right now
Sun in Acilia-Castel Fusano-Ostia Antica today
Saturday, 24 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:59 | sun 18° below horizon |
| Nautical dawn | 06:32 | 12° below |
| Civil dawn | 07:04 | 6° below |
| Sunrise | 07:33 | 105° ESE |
| Golden hour ends | 08:11 | sun 6° up |
| Solar noon | 12:54 | 36.4° high |
| Golden hour starts | 17:37 | sun 6° up |
| Sunset | 18:16 | 255° WSW |
| Civil dusk | 18:44 | 6° below |
| Nautical dusk | 19:16 | 12° below |
| Astronomical dusk | 19:49 | 18° below |
| Day length | 10 h 43 min | |
Sun path diagram for Acilia-Castel Fusano-Ostia Antica
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 71.7° at solar noon in Acilia-Castel Fusano-Ostia Antica; on the December solstice only 24.8°. Sunrise swings from 57° ENE in June to 121° ESE in December — a 64° 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 | 12:22 | 17:12 | 9 h 40 min | 28.4° |
| February | 06:57 | 12:24 | 17:51 | 10 h 53 min | 37.8° |
| March | 06:12 | 12:18 | 18:23 | 12 h 11 min | 48.6° |
| April | 06:21 | 13:09 | 19:57 | 13 h 36 min | 60.2° |
| May | 05:45 | 13:07 | 20:29 | 14 h 44 min | 68.5° |
| June | 05:36 | 13:12 | 20:48 | 15 h 13 min | 71.7° |
| July | 05:54 | 13:17 | 20:39 | 14 h 45 min | 68.7° |
| August | 06:25 | 13:13 | 20:01 | 13 h 37 min | 60.3° |
| September | 06:56 | 13:03 | 19:09 | 12 h 13 min | 48.8° |
| October | 07:29 | 12:55 | 18:20 | 10 h 51 min | 37.5° |
| November | 07:07 | 11:56 | 16:45 | 9 h 39 min | 28.3° |
| December | 07:34 | 12:08 | 16:42 | 9 h 08 min | 24.8° |
A year of daylight in Acilia-Castel Fusano-Ostia Antica
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 Acilia-Castel Fusano-Ostia Antica
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
34°collects the most energy over a year: 1538 kWh per kWp.
66°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° | 1314 | 85% | 1.25 | 4.8× |
| 15° | 1468 | 95% | 1.84 | 3.3× |
| 30° | 1535 | 100% | 2.31 | 2.5× |
| 34° year-round best | 1538 | 100% | 2.41 | 2.3× |
| 42° = latitude | 1524 | 99% | 2.58 | 2.1× |
| 45° | 1512 | 98% | 2.63 | 2.0× |
| 60° | 1401 | 91% | 2.79 | 1.6× |
| 66° off-grid best | 1334 | 87% | 2.80 | 1.5× |
| 70° | 1282 | 83% | 2.79 | 1.4× |
| 90° | 958 | 62% | 2.57 | 1.6× |
A fixed array in Acilia-Castel Fusano-Ostia Antica produces the most over a year at 34°. The design month for an off-grid system is December: at 66° it makes 2.80 kWh per kWp a day, 16% more than at 34°, and costs 13% of the yearly total. Why steep panels win winter.
Off-grid solar in Acilia-Castel Fusano-Ostia Antica at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 34° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 34° | Mean temp. |
|---|---|---|---|---|---|
| January | 1.80 | 3.31 | 2.89 | 2.56 | 9.6 °C |
| February | 2.74 | 4.03 | 3.51 | 3.41 | 9.7 °C |
| March | 3.99 | 4.47 | 3.87 | 4.24 | 11.6 °C |
| April | 5.37 | 4.50 | 3.84 | 4.90 | 14.3 °C |
| May | 6.50 | 4.27 | 3.59 | 5.26 | 17.9 °C |
| June | 7.37 | 4.16 | 3.43 | 5.51 | 22.2 °C |
| July | 7.49 | 4.39 | 3.58 | 5.63 | 25.2 °C |
| August | 6.52 | 4.87 | 3.97 | 5.45 | 25.5 °C |
| September | 4.79 | 4.88 | 4.04 | 4.68 | 22.1 °C |
| October | 3.29 | 4.44 | 3.73 | 3.78 | 18.5 °C |
| November | 2.02 | 3.42 | 2.92 | 2.67 | 14.6 °C |
| December | 1.61 | 3.22 | 2.79 | 2.41 | 10.9 °C |
| Year | 4.47 avg | 4.16 avg | 1282 kWh | 1538 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 420 Wp of panels at 70°, versus 490 Wp at 34°. The steep array is 14% smaller for the same winter. Size your own system.
Row spacing in Acilia-Castel Fusano-Ostia Antica
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.
5.4 mrow pitch at 70°
4.5 mrow pitch at 34°
How Acilia-Castel Fusano-Ostia Antica compares in Italy
Against the other 596 places in Italy with climate data, for a fixed array at its best angle.
114thof 597 places in Italy for sunshine, shared: 4.47 peak sun hours a day on flat ground.
+6%solar energy a year compared with the average place in Italy: 1,538 against 1,452 kWh per kWp.
−1 mindaylight on the longest day, compared with Rome: 15 h 13 min against 15 h 14 min.
34°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); Acilia-Castel Fusano-Ostia Antica ranks joint 114th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 2.79 kWh a day here, against 2.63 kWh on average in Italy. The shortest day lasts 9 h 08 min, +1 min compared with Rome.
Solar forecast for Acilia-Castel Fusano-Ostia Antica, next 48 hours
Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.
Loading the latest forecast…
Questions about the sun in Acilia-Castel Fusano-Ostia Antica
What is the best solar panel angle in Acilia-Castel Fusano-Ostia Antica?
What time is sunrise and sunset in Acilia-Castel Fusano-Ostia Antica today?
How many peak sun hours does Acilia-Castel Fusano-Ostia Antica get?
How high does the sun get in Acilia-Castel Fusano-Ostia Antica?
Is Acilia-Castel Fusano-Ostia Antica a good place for solar panels?
Places near Acilia-Castel Fusano-Ostia Antica
Put this on your site
A free, live card for Acilia-Castel Fusano-Ostia Antica: 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.