Île-de-France · France · 48.80° N · 2.54° E
Solar position in Chennevières-sur-Marne
Sun position, daylight and the best solar panel angle for Chennevières-sur-Marne — computed for 48.80° N, 2.54° E, 104 m above sea level.
The sun right now
Sun in Chennevières-sur-Marne today
Sunday, 25 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:39 | sun 18° below horizon |
| Nautical dawn | 06:16 | 12° below |
| Civil dawn | 06:52 | 6° below |
| Sunrise | 07:25 | 108° ESE |
| Golden hour ends | 08:10 | sun 6° up |
| Solar noon | 12:33 | 29.0° high |
| Golden hour starts | 16:56 | sun 6° up |
| Sunset | 17:41 | 252° WSW |
| Civil dusk | 18:14 | 6° below |
| Nautical dusk | 18:50 | 12° below |
| Astronomical dusk | 19:27 | 18° below |
| Day length | 10 h 16 min | |
Sun path diagram for Chennevières-sur-Marne
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 64.6° at solar noon in Chennevières-sur-Marne; on the December solstice only 17.8°. Sunrise swings from 52° NE in June to 126° SE in December — a 74° 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 | 13:01 | 17:29 | 8 h 57 min | 21.4° |
| February | 07:47 | 13:03 | 18:20 | 10 h 33 min | 30.8° |
| March | 06:50 | 12:57 | 19:04 | 12 h 13 min | 41.6° |
| April | 06:47 | 13:48 | 20:50 | 14 h 03 min | 53.2° |
| May | 06:01 | 13:46 | 21:32 | 15 h 31 min | 61.5° |
| June | 05:46 | 13:51 | 21:56 | 16 h 10 min | 64.6° |
| July | 06:09 | 13:56 | 21:42 | 15 h 33 min | 61.6° |
| August | 06:51 | 13:52 | 20:54 | 14 h 03 min | 53.2° |
| September | 07:34 | 13:42 | 19:50 | 12 h 15 min | 41.8° |
| October | 08:19 | 13:34 | 18:49 | 10 h 30 min | 30.4° |
| November | 08:07 | 12:35 | 17:03 | 8 h 56 min | 21.3° |
| December | 08:40 | 12:47 | 16:55 | 8 h 15 min | 17.8° |
A year of daylight in Chennevières-sur-Marne
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 Chennevières-sur-Marne
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
38°collects the most energy over a year: 1180 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° | 976 | 83% | 0.59 | 8.0× |
| 15° | 1104 | 94% | 0.92 | 5.3× |
| 30° | 1171 | 99% | 1.19 | 4.0× |
| 38° year-round best | 1180 | 100% | 1.31 | 3.5× |
| 45° | 1172 | 99% | 1.39 | 3.1× |
| 49° = latitude | 1162 | 98% | 1.43 | 3.0× |
| 60° | 1108 | 94% | 1.51 | 2.6× |
| 70° off-grid best | 1031 | 87% | 1.53 | 2.4× |
| 90° | 809 | 69% | 1.44 | 1.9× |
A fixed array in Chennevières-sur-Marne produces the most over a year at 38°. The design month for an off-grid system is December: at 70° it makes 1.53 kWh per kWp a day, 17% more than at 38°, and costs 13% of the yearly total. Why steep panels win winter.
Off-grid solar in Chennevières-sur-Marne at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 38° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 38° | Mean temp. |
|---|---|---|---|---|---|
| January | 0.95 | 1.88 | 1.66 | 1.47 | 3.0 °C |
| February | 1.74 | 2.77 | 2.46 | 2.35 | 3.6 °C |
| March | 2.97 | 3.64 | 3.20 | 3.38 | 6.6 °C |
| April | 4.51 | 4.23 | 3.66 | 4.36 | 10.3 °C |
| May | 5.22 | 3.95 | 3.36 | 4.42 | 13.7 °C |
| June | 5.76 | 3.94 | 3.30 | 4.58 | 17.3 °C |
| July | 5.57 | 3.97 | 3.31 | 4.49 | 19.3 °C |
| August | 4.74 | 4.02 | 3.36 | 4.18 | 18.9 °C |
| September | 3.69 | 4.12 | 3.50 | 3.86 | 15.5 °C |
| October | 2.18 | 3.15 | 2.71 | 2.69 | 11.6 °C |
| November | 1.14 | 2.13 | 1.86 | 1.68 | 6.9 °C |
| December | 0.78 | 1.74 | 1.53 | 1.31 | 3.5 °C |
| Year | 3.28 avg | 3.29 avg | 1031 kWh | 1180 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 770 Wp of panels at 70°, versus 900 Wp at 38°. The steep array is 14% smaller for the same winter. Size your own system.
Row spacing in Chennevières-sur-Marne
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.
7.9 mrow pitch at 70°
6.3 mrow pitch at 38°
How Chennevières-sur-Marne compares in France
Against the other 656 places in France with climate data, for a fixed array at its best angle.
341stof 657 places in France for sunshine, shared: 3.28 peak sun hours a day on flat ground.
−6%solar energy a year compared with the average place in France: 1,180 against 1,261 kWh per kWp.
−1 mindaylight on the longest day, compared with Paris: 16 h 10 min against 16 h 11 min.
38°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); Chennevières-sur-Marne ranks joint 341st. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.53 kWh a day here, against 1.86 kWh on average in France. The shortest day lasts 8 h 15 min, ±0 min compared with Paris.
Solar forecast for Chennevières-sur-Marne, 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 Chennevières-sur-Marne: 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.