Centre-Val de Loire · France · 47.91° N · 1.86° E
Solar position in Saint-Jean-de-la-Ruelle
Sun position, daylight and the best solar panel angle for Saint-Jean-de-la-Ruelle — computed for 47.91° N, 1.86° E, 110 m above sea level.
The sun right now
Sun in Saint-Jean-de-la-Ruelle today
Saturday, 24 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 06:41 | sun 18° below horizon |
| Nautical dawn | 07:16 | 12° below |
| Civil dawn | 07:53 | 6° below |
| Sunrise | 08:24 | 107° ESE |
| Golden hour ends | 09:08 | sun 6° up |
| Solar noon | 13:36 | 30.3° high |
| Golden hour starts | 18:04 | sun 6° up |
| Sunset | 18:47 | 253° WSW |
| Civil dusk | 19:19 | 6° below |
| Nautical dusk | 19:55 | 12° below |
| Astronomical dusk | 20:31 | 18° below |
| Day length | 10 h 23 min | |
Sun path diagram for Saint-Jean-de-la-Ruelle
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 65.5° at solar noon in Saint-Jean-de-la-Ruelle; on the December solstice only 18.7°. Sunrise swings from 52° NE in June to 125° SE in December — a 73° 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 | 08:32 | 13:04 | 17:35 | 9 h 03 min | 22.3° |
| February | 07:48 | 13:06 | 18:24 | 10 h 36 min | 31.7° |
| March | 06:53 | 12:59 | 19:06 | 12 h 13 min | 42.5° |
| April | 06:52 | 13:51 | 20:51 | 13 h 59 min | 54.1° |
| May | 06:07 | 13:49 | 21:31 | 15 h 24 min | 62.3° |
| June | 05:53 | 13:54 | 21:55 | 16 h 02 min | 65.5° |
| July | 06:15 | 13:58 | 21:41 | 15 h 26 min | 62.5° |
| August | 06:55 | 13:55 | 20:54 | 13 h 59 min | 54.1° |
| September | 07:37 | 13:45 | 19:52 | 12 h 15 min | 42.7° |
| October | 08:20 | 13:36 | 18:53 | 10 h 33 min | 31.3° |
| November | 08:07 | 12:38 | 17:09 | 9 h 02 min | 22.2° |
| December | 08:39 | 12:50 | 17:02 | 8 h 23 min | 18.7° |
A year of daylight in Saint-Jean-de-la-Ruelle
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 Saint-Jean-de-la-Ruelle
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
37°collects the most energy over a year: 1215 kWh per kWp.
70°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° | 1007 | 83% | 0.66 | 7.3× |
| 15° | 1139 | 94% | 1.02 | 4.8× |
| 30° | 1207 | 99% | 1.32 | 3.6× |
| 37° year-round best | 1215 | 100% | 1.43 | 3.2× |
| 45° | 1207 | 99% | 1.54 | 2.9× |
| 48° = latitude | 1198 | 99% | 1.57 | 2.7× |
| 60° | 1139 | 94% | 1.66 | 2.4× |
| 70° off-grid best | 1059 | 87% | 1.68 | 2.2× |
| 90° | 827 | 68% | 1.59 | 1.8× |
A fixed array in Saint-Jean-de-la-Ruelle produces the most over a year at 37°. The design month for an off-grid system is December: at 70° it makes 1.68 kWh per kWp a day, 17% more than at 37°, and costs 13% of the yearly total. Why steep panels win winter.
Off-grid solar in Saint-Jean-de-la-Ruelle at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 37° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 37° | Mean temp. |
|---|---|---|---|---|---|
| January | 1.03 | 2.01 | 1.78 | 1.57 | 3.2 °C |
| February | 1.85 | 2.92 | 2.59 | 2.47 | 3.8 °C |
| March | 3.08 | 3.72 | 3.27 | 3.46 | 6.9 °C |
| April | 4.53 | 4.18 | 3.62 | 4.34 | 10.4 °C |
| May | 5.28 | 3.94 | 3.35 | 4.46 | 13.9 °C |
| June | 5.85 | 3.95 | 3.30 | 4.64 | 17.8 °C |
| July | 5.74 | 4.03 | 3.35 | 4.61 | 19.9 °C |
| August | 4.92 | 4.12 | 3.44 | 4.33 | 19.6 °C |
| September | 3.86 | 4.27 | 3.62 | 4.01 | 16.1 °C |
| October | 2.28 | 3.25 | 2.80 | 2.77 | 12.0 °C |
| November | 1.25 | 2.31 | 2.02 | 1.82 | 7.1 °C |
| December | 0.86 | 1.91 | 1.68 | 1.43 | 3.7 °C |
| Year | 3.38 avg | 3.38 avg | 1059 kWh | 1215 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 700 Wp of panels at 70°, versus 820 Wp at 37°. The steep array is 15% smaller for the same winter. Size your own system.
Row spacing in Saint-Jean-de-la-Ruelle
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.
7.5 mrow pitch at 70°
5.9 mrow pitch at 37°
How Saint-Jean-de-la-Ruelle compares in France
Against the other 656 places in France with climate data, for a fixed array at its best angle.
274thof 657 places in France for sunshine, shared: 3.38 peak sun hours a day on flat ground.
−4%solar energy a year compared with the average place in France: 1,215 against 1,261 kWh per kWp.
−9 mindaylight on the longest day, compared with Paris: 16 h 02 min against 16 h 11 min.
37°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); Saint-Jean-de-la-Ruelle ranks joint 274th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.68 kWh a day here, against 1.86 kWh on average in France. The shortest day lasts 8 h 23 min, +8 min compared with Paris.
Solar forecast for Saint-Jean-de-la-Ruelle, 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 Saint-Jean-de-la-Ruelle: 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.