Hesse · Germany · 50.56° N · 9.71° E
Solar position in Petersberg
Sun position, daylight and the best solar panel angle for Petersberg — computed for 50.56° N, 9.71° E, 372 m above sea level.
The sun right now
Sun in Petersberg today
Saturday, 24 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 06:08 | sun 18° below horizon |
| Nautical dawn | 06:46 | 12° below |
| Civil dawn | 07:24 | 6° below |
| Sunrise | 07:58 | 108° ESE |
| Golden hour ends | 08:45 | sun 6° up |
| Solar noon | 13:05 | 27.6° high |
| Golden hour starts | 17:24 | sun 6° up |
| Sunset | 18:11 | 252° WSW |
| Civil dusk | 18:44 | 6° below |
| Nautical dusk | 19:23 | 12° below |
| Astronomical dusk | 20:00 | 18° below |
| Day length | 10 h 13 min | |
Sun path diagram for Petersberg
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 62.9° at solar noon in Petersberg; on the December solstice only 16.1°. Sunrise swings from 50° NE in June to 127° SE in December — a 78° 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 | 08:10 | 12:32 | 16:54 | 8 h 44 min | 19.6° |
| February | 07:21 | 12:35 | 17:48 | 10 h 27 min | 29.0° |
| March | 06:21 | 12:28 | 18:35 | 12 h 14 min | 39.8° |
| April | 06:15 | 13:20 | 20:25 | 14 h 10 min | 51.4° |
| May | 05:25 | 13:17 | 21:10 | 15 h 46 min | 59.7° |
| June | 05:08 | 13:22 | 21:37 | 16 h 28 min | 62.9° |
| July | 05:33 | 13:27 | 21:21 | 15 h 48 min | 59.9° |
| August | 06:18 | 13:24 | 20:29 | 14 h 11 min | 51.5° |
| September | 07:05 | 13:13 | 19:21 | 12 h 16 min | 40.1° |
| October | 07:53 | 13:05 | 18:17 | 10 h 24 min | 28.7° |
| November | 07:45 | 12:06 | 16:28 | 8 h 43 min | 19.5° |
| December | 08:19 | 12:19 | 16:18 | 7 h 59 min | 16.1° |
A year of daylight in Petersberg
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 Petersberg
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: 1069 kWh per kWp.
73°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° | 885 | 83% | 0.44 | 10.0× |
| 15° | 1000 | 94% | 0.67 | 6.8× |
| 30° | 1060 | 99% | 0.87 | 5.1× |
| 38° year-round best | 1069 | 100% | 0.96 | 4.5× |
| 45° | 1063 | 99% | 1.03 | 4.0× |
| 51° = latitude | 1047 | 98% | 1.07 | 3.7× |
| 60° | 1007 | 94% | 1.12 | 3.4× |
| 70° | 940 | 88% | 1.14 | 3.1× |
| 73° off-grid best | 916 | 86% | 1.14 | 3.0× |
| 90° | 744 | 70% | 1.10 | 2.4× |
A fixed array in Petersberg produces the most over a year at 38°. The design month for an off-grid system is December: at 73° it makes 1.14 kWh per kWp a day, 19% more than at 38°, and costs 14% of the yearly total. Why steep panels win winter.
Off-grid solar in Petersberg 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 snow | 0.78 | 1.62 | 1.44 | 1.24 | -0.7 °C |
| February snow | 1.50 | 2.48 | 2.22 | 2.06 | 0.1 °C |
| March | 2.67 | 3.33 | 2.96 | 3.09 | 3.7 °C |
| April | 4.18 | 4.01 | 3.50 | 4.11 | 8.5 °C |
| May | 4.90 | 3.79 | 3.24 | 4.20 | 12.8 °C |
| June | 5.37 | 3.79 | 3.18 | 4.32 | 16.7 °C |
| July | 5.19 | 3.80 | 3.16 | 4.22 | 19.1 °C |
| August | 4.39 | 3.79 | 3.17 | 3.90 | 18.7 °C |
| September | 3.23 | 3.63 | 3.10 | 3.39 | 14.2 °C |
| October | 1.86 | 2.73 | 2.37 | 2.33 | 9.0 °C |
| November | 0.89 | 1.62 | 1.42 | 1.28 | 4.1 °C |
| December snow | 0.58 | 1.29 | 1.14 | 0.96 | 0.5 °C |
| Year | 2.97 avg | 2.99 avg | 940 kWh | 1069 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 1,030 Wp of panels at 70°, versus 1,230 Wp at 38°. The steep array is 16% smaller for the same winter. Size your own system.
Row spacing in Petersberg
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.
8.9 mrow pitch at 70°
7.0 mrow pitch at 38°
How Petersberg compares in Germany
Against the other 959 places in Germany with climate data, for a fixed array at its best angle.
434thof 960 places in Germany for sunshine, shared: 2.97 peak sun hours a day on flat ground.
−3%solar energy a year compared with the average place in Germany: 1,069 against 1,097 kWh per kWp.
−22 mindaylight on the longest day, compared with Berlin: 16 h 28 min against 16 h 50 min.
38°best year-round tilt here; across Germany it runs from 38° in Munich to 41° in Flensburg.
Of the 960 places in Germany, Weil am Rhein and one other place get the most sun (3.42 peak sun hours a day) and Berlin and 3 other places the least (2.83); Petersberg ranks joint 434th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.14 kWh a day here, against 1.26 kWh on average in Germany. The shortest day lasts 7 h 59 min, +20 min compared with Berlin.
Solar forecast for Petersberg, 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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Questions about the sun in Petersberg
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Places near Petersberg
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A free, live card for Petersberg: 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.