Pitcairn · 25.07° S · 130.10° W
Solar position in Adamstown
Sun position, daylight and the best solar panel angle for Adamstown — computed for 25.07° S, 130.10° W, 67 m above sea level.
The sun right now
Sun in Adamstown today
Saturday, 24 October 2026 · local time UTC−8
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:38 | sun 18° below horizon |
| Nautical dawn | 05:06 | 12° below |
| Civil dawn | 05:34 | 6° below |
| Sunrise | 05:58 | 104° ESE |
| Golden hour ends | 06:29 | sun 6° up |
| Solar noon | 12:24 | 76.9° high |
| Golden hour starts | 18:20 | sun 6° up |
| Sunset | 18:51 | 256° WSW |
| Civil dusk | 19:14 | 6° below |
| Nautical dusk | 19:42 | 12° below |
| Astronomical dusk | 20:11 | 18° below |
| Day length | 12 h 53 min | |
Sun path diagram for Adamstown
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 41.5° at solar noon in Adamstown; on the December solstice only 88.4°. Sunrise swings from 64° ENE in June to 116° ESE in December — a 52° 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 | 06:08 | 12:51 | 19:34 | 13 h 25 min | 84.7° |
| February | 06:30 | 12:53 | 19:16 | 12 h 47 min | 75.3° |
| March | 06:44 | 12:47 | 18:49 | 12 h 05 min | 64.4° |
| April | 06:58 | 12:38 | 18:19 | 11 h 21 min | 52.9° |
| May | 07:12 | 12:36 | 18:01 | 10 h 48 min | 44.6° |
| June | 07:24 | 12:42 | 17:59 | 10 h 35 min | 41.5° |
| July | 07:22 | 12:46 | 18:11 | 10 h 48 min | 44.6° |
| August | 07:02 | 12:43 | 18:24 | 11 h 22 min | 53.1° |
| September | 06:30 | 12:33 | 18:36 | 12 h 05 min | 64.5° |
| October | 06:00 | 12:25 | 18:49 | 12 h 49 min | 75.9° |
| November | 05:43 | 12:26 | 19:09 | 13 h 27 min | 85.0° |
| December | 05:47 | 12:38 | 19:29 | 13 h 42 min | 88.4° |
A year of daylight in Adamstown
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 Adamstown
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
21°collects the most energy over a year: 1583 kWh per kWp.
49°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 | June kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1492 | 94% | 2.42 | 2.3× |
| 15° | 1575 | 99% | 2.95 | 1.8× |
| 21° year-round best | 1583 | 100% | 3.11 | 1.7× |
| 25° = latitude | 1580 | 100% | 3.20 | 1.6× |
| 30° | 1568 | 99% | 3.30 | 1.5× |
| 45° | 1472 | 93% | 3.46 | 1.3× |
| 49° off-grid best | 1433 | 91% | 3.46 | 1.3× |
| 60° | 1296 | 82% | 3.41 | 1.4× |
| 70° | 1140 | 72% | 3.27 | 1.6× |
| 90° | 781 | 49% | 2.74 | 2.5× |
A fixed array in Adamstown produces the most over a year at 21°. The design month for an off-grid system is June: at 49° it makes 3.46 kWh per kWp a day, 11% more than at 21°, and costs 9% of the yearly total. Why steep panels win winter.
Off-grid solar in Adamstown at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 21° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 21° | Mean temp. |
|---|---|---|---|---|---|
| January | 6.92 | 2.92 | 2.37 | 5.16 | 24.8 °C |
| February | 6.58 | 3.62 | 2.95 | 5.19 | 25.4 °C |
| March | 5.76 | 4.31 | 3.52 | 4.89 | 25.5 °C |
| April | 4.44 | 4.39 | 3.61 | 4.09 | 24.6 °C |
| May | 3.52 | 4.19 | 3.46 | 3.46 | 23.3 °C |
| June | 3.07 | 3.94 | 3.27 | 3.11 | 22.3 °C |
| July | 3.34 | 4.20 | 3.50 | 3.38 | 21.4 °C |
| August | 4.01 | 4.29 | 3.58 | 3.85 | 21.0 °C |
| September | 4.96 | 4.13 | 3.43 | 4.39 | 21.0 °C |
| October | 5.69 | 3.62 | 2.99 | 4.67 | 21.6 °C |
| November | 6.33 | 3.08 | 2.53 | 4.88 | 22.4 °C |
| December | 6.75 | 2.78 | 2.26 | 5.01 | 23.7 °C |
| Year | 5.11 avg | 3.79 avg | 1140 kWh | 1583 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 520 Wp of panels at 70°, versus 380 Wp at 21°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Adamstown
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.
3.1 mrow pitch at 70°
2.8 mrow pitch at 21°
Solar forecast for Adamstown, 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 Adamstown
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Places near Adamstown
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A free, live card for Adamstown: 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.