St Peter Port · Guernsey · 49.46° N · 2.54° W
Solar position in Saint Peter Port
Sun position, daylight and the best solar panel angle for Saint Peter Port — computed for 49.46° N, 2.54° W, 10 m above sea level.
The sun right now
Sun in Saint Peter Port today
Saturday, 24 October 2026 · local time UTC+1
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:58 | sun 18° below horizon |
| Nautical dawn | 06:35 | 12° below |
| Civil dawn | 07:12 | 6° below |
| Sunrise | 07:45 | 107° ESE |
| Golden hour ends | 08:30 | sun 6° up |
| Solar noon | 12:54 | 28.7° high |
| Golden hour starts | 17:17 | sun 6° up |
| Sunset | 18:02 | 252° WSW |
| Civil dusk | 18:35 | 6° below |
| Nautical dusk | 19:12 | 12° below |
| Astronomical dusk | 19:49 | 18° below |
| Day length | 10 h 17 min | |
Sun path diagram for Saint Peter Port
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 64.0° at solar noon in Saint Peter Port; on the December solstice only 17.2°. Sunrise swings from 51° NE in June to 127° SE in December — a 75° 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 | 07:55 | 12:21 | 16:47 | 8 h 53 min | 20.7° |
| February | 07:08 | 12:24 | 17:39 | 10 h 31 min | 30.1° |
| March | 06:11 | 12:17 | 18:24 | 12 h 13 min | 40.9° |
| April | 06:06 | 13:09 | 20:12 | 14 h 05 min | 52.5° |
| May | 05:18 | 13:06 | 20:55 | 15 h 37 min | 60.8° |
| June | 05:03 | 13:11 | 21:20 | 16 h 17 min | 64.0° |
| July | 05:26 | 13:16 | 21:05 | 15 h 38 min | 61.0° |
| August | 06:09 | 13:13 | 20:15 | 14 h 06 min | 52.6° |
| September | 06:55 | 13:02 | 19:10 | 12 h 16 min | 41.1° |
| October | 07:40 | 12:54 | 18:08 | 10 h 27 min | 29.8° |
| November | 07:30 | 11:55 | 16:21 | 8 h 51 min | 20.6° |
| December | 08:03 | 12:08 | 16:12 | 8 h 09 min | 17.2° |
A year of daylight in Saint Peter Port
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 Peter Port
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: 1195 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° | 1000 | 84% | 0.52 | 9.6× |
| 15° | 1126 | 94% | 0.79 | 6.6× |
| 30° | 1189 | 99% | 1.01 | 5.0× |
| 37° year-round best | 1195 | 100% | 1.09 | 4.5× |
| 45° | 1184 | 99% | 1.17 | 4.0× |
| 49° = latitude | 1172 | 98% | 1.20 | 3.8× |
| 60° | 1114 | 93% | 1.26 | 3.3× |
| 69° off-grid best | 1042 | 87% | 1.28 | 3.0× |
| 70° | 1033 | 86% | 1.28 | 3.0× |
| 90° | 802 | 67% | 1.20 | 2.4× |
A fixed array in Saint Peter Port produces the most over a year at 37°. The design month for an off-grid system is December: at 69° it makes 1.28 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 Peter Port 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 | 0.87 | 1.69 | 1.45 | 1.28 | 9.0 °C |
| February | 1.63 | 2.55 | 2.22 | 2.11 | 8.3 °C |
| March | 2.89 | 3.52 | 3.07 | 3.23 | 8.7 °C |
| April | 4.65 | 4.43 | 3.84 | 4.55 | 10.0 °C |
| May | 5.66 | 4.31 | 3.70 | 4.90 | 12.0 °C |
| June | 6.03 | 4.13 | 3.50 | 4.90 | 14.3 °C |
| July | 5.86 | 4.19 | 3.53 | 4.83 | 16.2 °C |
| August | 4.89 | 4.21 | 3.55 | 4.41 | 17.0 °C |
| September | 3.73 | 4.20 | 3.56 | 3.90 | 16.5 °C |
| October | 2.09 | 2.98 | 2.53 | 2.50 | 14.8 °C |
| November | 1.09 | 2.00 | 1.70 | 1.53 | 12.3 °C |
| December | 0.71 | 1.49 | 1.28 | 1.09 | 10.1 °C |
| Year | 3.35 avg | 3.31 avg | 1033 kWh | 1195 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 920 Wp of panels at 70°, versus 1,080 Wp at 37°. The steep array is 14% smaller for the same winter. Size your own system.
Row spacing in Saint Peter Port
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.
8.3 mrow pitch at 70°
6.4 mrow pitch at 37°
Solar forecast for Saint Peter Port, 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 Saint Peter Port
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A free, live card for Saint Peter Port: 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.