Grand Est · France · 48.77° N · 5.16° E
Solar position in Bar-le-Duc
Sun position, daylight and the best solar panel angle for Bar-le-Duc — computed for 48.77° N, 5.16° E, 185 m above sea level.
The sun right now
Sun in Bar-le-Duc today
Saturday, 24 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 06:27 | sun 18° below horizon |
| Nautical dawn | 07:04 | 12° below |
| Civil dawn | 07:40 | 6° below |
| Sunrise | 08:13 | 107° ESE |
| Golden hour ends | 08:57 | sun 6° up |
| Solar noon | 13:23 | 29.4° high |
| Golden hour starts | 17:48 | sun 6° up |
| Sunset | 18:33 | 253° WSW |
| Civil dusk | 19:05 | 6° below |
| Nautical dusk | 19:42 | 12° below |
| Astronomical dusk | 20:18 | 18° below |
| Day length | 10 h 20 min | |
Sun path diagram for Bar-le-Duc
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 64.7° at solar noon in Bar-le-Duc; 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 | 08:22 | 12:50 | 17:19 | 8 h 57 min | 21.4° |
| February | 07:36 | 12:53 | 18:09 | 10 h 33 min | 30.8° |
| March | 06:40 | 12:46 | 18:53 | 12 h 13 min | 41.6° |
| April | 06:37 | 13:38 | 20:39 | 14 h 02 min | 53.2° |
| May | 05:50 | 13:36 | 21:21 | 15 h 31 min | 61.5° |
| June | 05:36 | 13:41 | 21:46 | 16 h 10 min | 64.7° |
| July | 05:58 | 13:45 | 21:31 | 15 h 33 min | 61.6° |
| August | 06:40 | 13:42 | 20:43 | 14 h 03 min | 53.3° |
| September | 07:24 | 13:32 | 19:39 | 12 h 15 min | 41.8° |
| October | 08:08 | 13:23 | 18:38 | 10 h 30 min | 30.5° |
| November | 07:57 | 12:25 | 16:52 | 8 h 56 min | 21.3° |
| December | 08:29 | 12:37 | 16:45 | 8 h 16 min | 17.8° |
A year of daylight in Bar-le-Duc
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 Bar-le-Duc
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: 1171 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° | 972 | 83% | 0.57 | 8.4× |
| 15° | 1098 | 94% | 0.87 | 5.6× |
| 30° | 1163 | 99% | 1.12 | 4.2× |
| 37° year-round best | 1171 | 100% | 1.22 | 3.8× |
| 45° | 1163 | 99% | 1.31 | 3.4× |
| 49° = latitude | 1152 | 98% | 1.34 | 3.2× |
| 60° | 1098 | 94% | 1.41 | 2.8× |
| 70° off-grid best | 1020 | 87% | 1.43 | 2.5× |
| 90° | 798 | 68% | 1.35 | 2.1× |
A fixed array in Bar-le-Duc produces the most over a year at 37°. The design month for an off-grid system is December: at 70° it makes 1.43 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 Bar-le-Duc 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 | 0.93 | 1.83 | 1.63 | 1.43 | 1.1 °C |
| February | 1.71 | 2.71 | 2.41 | 2.30 | 1.7 °C |
| March | 2.96 | 3.64 | 3.22 | 3.39 | 5.1 °C |
| April | 4.47 | 4.18 | 3.64 | 4.33 | 9.2 °C |
| May | 5.19 | 3.92 | 3.35 | 4.43 | 13.1 °C |
| June | 5.77 | 3.94 | 3.31 | 4.61 | 16.9 °C |
| July | 5.59 | 3.98 | 3.32 | 4.53 | 19.0 °C |
| August | 4.71 | 3.99 | 3.34 | 4.17 | 18.5 °C |
| September | 3.66 | 4.09 | 3.49 | 3.84 | 14.7 °C |
| October | 2.15 | 3.10 | 2.68 | 2.65 | 10.3 °C |
| November | 1.10 | 1.98 | 1.73 | 1.57 | 5.4 °C |
| December | 0.74 | 1.62 | 1.43 | 1.22 | 1.9 °C |
| Year | 3.26 avg | 3.25 avg | 1020 kWh | 1171 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 830 Wp of panels at 70°, versus 970 Wp at 37°. The steep array is 15% smaller for the same winter. Size your own system.
Row spacing in Bar-le-Duc
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°
6.2 mrow pitch at 37°
How Bar-le-Duc compares in France
Against the other 656 places in France with climate data, for a fixed array at its best angle.
485thof 657 places in France for sunshine, shared: 3.26 peak sun hours a day on flat ground.
−7%solar energy a year compared with the average place in France: 1,171 against 1,261 kWh per kWp.
−1 mindaylight on the longest day, compared with Paris: 16 h 10 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); Bar-le-Duc ranks joint 485th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.43 kWh a day here, against 1.86 kWh on average in France. The shortest day lasts 8 h 16 min, +1 min compared with Paris.
Solar forecast for Bar-le-Duc, 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 Bar-le-Duc: 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.