Rhône-Alpes · France · 45.79° N · 4.85° E
Solar position in Caluire-et-Cuire
Sun position, daylight and the best solar panel angle for Caluire-et-Cuire — computed for 45.79° N, 4.85° E, 263 m above sea level.
The sun right now
Sun in Caluire-et-Cuire today
Saturday, 24 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 06:29 | sun 18° below horizon |
| Nautical dawn | 07:04 | 12° below |
| Civil dawn | 07:38 | 6° below |
| Sunrise | 08:09 | 106° ESE |
| Golden hour ends | 08:51 | sun 6° up |
| Solar noon | 13:24 | 32.4° high |
| Golden hour starts | 17:57 | sun 6° up |
| Sunset | 18:39 | 254° WSW |
| Civil dusk | 19:10 | 6° below |
| Nautical dusk | 19:44 | 12° below |
| Astronomical dusk | 20:19 | 18° below |
| Day length | 10 h 30 min | |
Sun path diagram for Caluire-et-Cuire
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 67.6° at solar noon in Caluire-et-Cuire; on the December solstice only 20.8°. Sunrise swings from 54° NE in June to 124° SE in December — a 70° 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 | 08:13 | 12:52 | 17:30 | 9 h 17 min | 24.4° |
| February | 07:33 | 12:54 | 18:15 | 10 h 42 min | 33.8° |
| March | 06:42 | 12:48 | 18:54 | 12 h 12 min | 44.6° |
| April | 06:44 | 13:39 | 20:34 | 13 h 50 min | 56.2° |
| May | 06:02 | 13:37 | 21:12 | 15 h 09 min | 64.5° |
| June | 05:50 | 13:42 | 21:34 | 15 h 44 min | 67.6° |
| July | 06:11 | 13:46 | 21:22 | 15 h 11 min | 64.6° |
| August | 06:47 | 13:43 | 20:38 | 13 h 51 min | 56.2° |
| September | 07:26 | 13:33 | 19:40 | 12 h 14 min | 44.8° |
| October | 08:05 | 13:24 | 18:44 | 10 h 39 min | 33.4° |
| November | 07:48 | 12:26 | 17:04 | 9 h 15 min | 24.3° |
| December | 08:18 | 12:38 | 16:58 | 8 h 40 min | 20.8° |
A year of daylight in Caluire-et-Cuire
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 Caluire-et-Cuire
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
36°collects the most energy over a year: 1326 kWh per kWp.
68°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° | 1107 | 83% | 0.83 | 6.2× |
| 15° | 1249 | 94% | 1.26 | 4.2× |
| 30° | 1319 | 99% | 1.61 | 3.2× |
| 36° year-round best | 1326 | 100% | 1.72 | 2.9× |
| 45° | 1313 | 99% | 1.85 | 2.5× |
| 46° = latitude | 1310 | 99% | 1.87 | 2.5× |
| 60° | 1232 | 93% | 1.99 | 2.1× |
| 68° off-grid best | 1161 | 88% | 2.00 | 1.9× |
| 70° | 1140 | 86% | 2.00 | 1.9× |
| 90° | 878 | 66% | 1.87 | 1.6× |
A fixed array in Caluire-et-Cuire produces the most over a year at 36°. The design month for an off-grid system is December: at 68° it makes 2.00 kWh per kWp a day, 17% more than at 36°, and costs 12% of the yearly total. Why steep panels win winter.
Off-grid solar in Caluire-et-Cuire at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 36° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 36° | Mean temp. |
|---|---|---|---|---|---|
| January | 1.29 | 2.48 | 2.22 | 1.96 | 1.2 °C |
| February | 2.14 | 3.31 | 2.96 | 2.84 | 1.9 °C |
| March | 3.46 | 4.13 | 3.65 | 3.90 | 5.6 °C |
| April | 4.69 | 4.20 | 3.65 | 4.47 | 9.6 °C |
| May | 5.41 | 3.88 | 3.31 | 4.54 | 13.4 °C |
| June | 6.35 | 4.04 | 3.38 | 4.97 | 18.0 °C |
| July | 6.33 | 4.19 | 3.48 | 5.02 | 20.2 °C |
| August | 5.41 | 4.39 | 3.66 | 4.74 | 19.7 °C |
| September | 4.11 | 4.43 | 3.77 | 4.23 | 15.5 °C |
| October | 2.55 | 3.57 | 3.08 | 3.08 | 11.2 °C |
| November | 1.46 | 2.61 | 2.29 | 2.08 | 5.7 °C |
| December | 1.07 | 2.25 | 2.00 | 1.72 | 2.0 °C |
| Year | 3.70 avg | 3.62 avg | 1140 kWh | 1326 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 590 Wp of panels at 70°, versus 690 Wp at 36°. The steep array is 14% smaller for the same winter. Size your own system.
Row spacing in Caluire-et-Cuire
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.
6.6 mrow pitch at 70°
5.3 mrow pitch at 36°
How Caluire-et-Cuire compares in France
Against the other 656 places in France with climate data, for a fixed array at its best angle.
168thof 657 places in France for sunshine, shared: 3.70 peak sun hours a day on flat ground.
+5%solar energy a year compared with the average place in France: 1,326 against 1,261 kWh per kWp.
−27 mindaylight on the longest day, compared with Paris: 15 h 44 min against 16 h 11 min.
36°best year-round tilt here; across France it runs from 33° in Ajaccio to 39° in Lille.
Of the 657 places in France, Marseille 12 and 5 other places get the most sun (4.46 peak sun hours a day) and Maubeuge and one other place the least (3.10); Caluire-et-Cuire ranks joint 168th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 2.00 kWh a day here, against 1.86 kWh on average in France. The shortest day lasts 8 h 40 min, +25 min compared with Paris.
Solar forecast for Caluire-et-Cuire, 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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A free, live card for Caluire-et-Cuire: 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.