Centre-Val de Loire · France · 47.40° N · 0.67° E
Solar position in Saint-Cyr-sur-Loire
Sun position, daylight and the best solar panel angle for Saint-Cyr-sur-Loire — computed for 47.40° N, 0.67° E, 83 m above sea level.
The sun right now
Sun in Saint-Cyr-sur-Loire today
Sunday, 25 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:47 | sun 18° below horizon |
| Nautical dawn | 06:22 | 12° below |
| Civil dawn | 06:58 | 6° below |
| Sunrise | 07:30 | 107° ESE |
| Golden hour ends | 08:13 | sun 6° up |
| Solar noon | 12:41 | 30.4° high |
| Golden hour starts | 17:08 | sun 6° up |
| Sunset | 17:51 | 253° WSW |
| Civil dusk | 18:23 | 6° below |
| Nautical dusk | 18:59 | 12° below |
| Astronomical dusk | 19:34 | 18° below |
| Day length | 10 h 22 min | |
Sun path diagram for Saint-Cyr-sur-Loire
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 66.0° at solar noon in Saint-Cyr-sur-Loire; on the December solstice only 19.2°. Sunrise swings from 53° NE in June to 125° SE in December — a 72° 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 | 08:35 | 13:08 | 17:42 | 9 h 07 min | 22.8° |
| February | 07:52 | 13:11 | 18:30 | 10 h 38 min | 32.2° |
| March | 06:58 | 13:04 | 19:11 | 12 h 13 min | 43.0° |
| April | 06:58 | 13:56 | 20:54 | 13 h 57 min | 54.6° |
| May | 06:13 | 13:54 | 21:34 | 15 h 21 min | 62.9° |
| June | 06:00 | 13:59 | 21:57 | 15 h 57 min | 66.0° |
| July | 06:22 | 14:03 | 21:44 | 15 h 22 min | 63.0° |
| August | 07:01 | 14:00 | 20:58 | 13 h 57 min | 54.6° |
| September | 07:42 | 13:50 | 19:57 | 12 h 15 min | 43.2° |
| October | 08:24 | 13:41 | 18:58 | 10 h 34 min | 31.8° |
| November | 08:10 | 12:42 | 17:15 | 9 h 05 min | 22.7° |
| December | 08:41 | 12:55 | 17:08 | 8 h 27 min | 19.2° |
A year of daylight in Saint-Cyr-sur-Loire
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-Cyr-sur-Loire
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: 1240 kWh per kWp.
69°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° | 1028 | 83% | 0.70 | 6.9× |
| 15° | 1162 | 94% | 1.08 | 4.6× |
| 30° | 1231 | 99% | 1.40 | 3.5× |
| 37° year-round best | 1240 | 100% | 1.52 | 3.1× |
| 45° | 1230 | 99% | 1.63 | 2.7× |
| 47° = latitude | 1225 | 99% | 1.65 | 2.7× |
| 60° | 1160 | 94% | 1.75 | 2.3× |
| 69° off-grid best | 1087 | 88% | 1.77 | 2.1× |
| 70° | 1078 | 87% | 1.77 | 2.1× |
| 90° | 840 | 68% | 1.67 | 1.8× |
A fixed array in Saint-Cyr-sur-Loire produces the most over a year at 37°. The design month for an off-grid system is December: at 69° it makes 1.77 kWh per kWp a day, 17% more than at 37°, and costs 12% of the yearly total. Why steep panels win winter.
Off-grid solar in Saint-Cyr-sur-Loire 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 | 1.08 | 2.12 | 1.87 | 1.65 | 4.0 °C |
| February | 1.92 | 3.03 | 2.68 | 2.57 | 4.4 °C |
| March | 3.15 | 3.79 | 3.32 | 3.53 | 7.3 °C |
| April | 4.57 | 4.18 | 3.61 | 4.35 | 10.6 °C |
| May | 5.34 | 3.95 | 3.36 | 4.50 | 14.0 °C |
| June | 5.91 | 3.95 | 3.30 | 4.67 | 18.1 °C |
| July | 5.85 | 4.06 | 3.37 | 4.68 | 20.2 °C |
| August | 5.04 | 4.19 | 3.49 | 4.42 | 20.0 °C |
| September | 3.96 | 4.36 | 3.69 | 4.10 | 16.7 °C |
| October | 2.34 | 3.32 | 2.85 | 2.83 | 12.6 °C |
| November | 1.31 | 2.41 | 2.10 | 1.90 | 7.8 °C |
| December | 0.92 | 2.01 | 1.77 | 1.52 | 4.4 °C |
| Year | 3.46 avg | 3.45 avg | 1078 kWh | 1240 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 660 Wp of panels at 70°, versus 780 Wp at 37°. The steep array is 15% smaller for the same winter. Size your own system.
Row spacing in Saint-Cyr-sur-Loire
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.
7.2 mrow pitch at 70°
5.8 mrow pitch at 37°
How Saint-Cyr-sur-Loire compares in France
Against the other 656 places in France with climate data, for a fixed array at its best angle.
249thof 657 places in France for sunshine, shared: 3.46 peak sun hours a day on flat ground.
−2%solar energy a year compared with the average place in France: 1,240 against 1,261 kWh per kWp.
−13 mindaylight on the longest day, compared with Paris: 15 h 57 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-Cyr-sur-Loire ranks joint 249th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.78 kWh a day here, against 1.86 kWh on average in France. The shortest day lasts 8 h 27 min, +12 min compared with Paris.
Solar forecast for Saint-Cyr-sur-Loire, 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 Saint-Cyr-sur-Loire
What is the best solar panel angle in Saint-Cyr-sur-Loire?
What time is sunrise and sunset in Saint-Cyr-sur-Loire today?
How many peak sun hours does Saint-Cyr-sur-Loire get?
How high does the sun get in Saint-Cyr-sur-Loire?
Is Saint-Cyr-sur-Loire a good place for solar panels?
Places near Saint-Cyr-sur-Loire
Put this on your site
A free, live card for Saint-Cyr-sur-Loire: 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.