Uvea · Wallis and Futuna · 13.28° S · 176.17° W
Solar position in Mata-Utu
Sun position, daylight and the best solar panel angle for Mata-Utu — computed for 13.28° S, 176.17° W, 15 m above sea level.
The sun right now
Sun in Mata-Utu today
Sunday, 25 October 2026 · local time UTC+12
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:00 | sun 18° below horizon |
| Nautical dawn | 04:26 | 12° below |
| Civil dawn | 04:52 | 6° below |
| Sunrise | 05:13 | 102° ESE |
| Golden hour ends | 05:42 | sun 6° up |
| Solar noon | 11:28 | 88.7° high |
| Golden hour starts | 17:15 | sun 6° up |
| Sunset | 17:43 | 257° WSW |
| Civil dusk | 18:05 | 6° below |
| Nautical dusk | 18:31 | 12° below |
| Astronomical dusk | 18:57 | 18° below |
| Day length | 12 h 30 min | |
Sun path diagram for Mata-Utu
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 53.3° at solar noon in Mata-Utu; on the December solstice only 79.8°. Sunrise swings from 66° ENE in June to 114° ESE in December — a 48° 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 | 05:32 | 11:55 | 18:19 | 12 h 47 min | 83.3° |
| February | 05:44 | 11:58 | 18:11 | 12 h 27 min | 87.4° |
| March | 05:48 | 11:51 | 17:55 | 12 h 06 min | 76.6° |
| April | 05:51 | 11:43 | 17:35 | 11 h 44 min | 64.9° |
| May | 05:57 | 11:41 | 17:25 | 11 h 28 min | 56.6° |
| June | 06:06 | 11:46 | 17:26 | 11 h 21 min | 53.3° |
| July | 06:07 | 11:51 | 17:34 | 11 h 27 min | 56.2° |
| August | 05:56 | 11:48 | 17:39 | 11 h 44 min | 64.5° |
| September | 05:35 | 11:38 | 17:40 | 12 h 05 min | 75.9° |
| October | 05:15 | 11:29 | 17:43 | 12 h 27 min | 87.3° |
| November | 05:07 | 11:30 | 17:53 | 12 h 47 min | 83.4° |
| December | 05:15 | 11:42 | 18:09 | 12 h 55 min | 79.8° |
A year of daylight in Mata-Utu
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 Mata-Utu
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
13°collects the most energy over a year: 1574 kWh per kWp.
22°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° | 1538 | 98% | 3.32 | 1.4× |
| 13° year-round best = latitude | 1574 | 100% | 3.77 | 1.2× |
| 15° | 1573 | 100% | 3.83 | 1.2× |
| 22° off-grid best | 1559 | 99% | 3.99 | 1.2× |
| 30° | 1519 | 97% | 4.12 | 1.3× |
| 45° | 1380 | 88% | 4.16 | 1.6× |
| 60° | 1167 | 74% | 3.96 | 2.1× |
| 70° | 995 | 63% | 3.70 | 2.7× |
| 90° | 670 | 43% | 2.88 | 2.8× |
A fixed array in Mata-Utu produces the most over a year at 13°. The design month for an off-grid system is June: at 22° it makes 3.99 kWh per kWp a day, 6% more than at 13°, and costs 1% of the yearly total. Why steep panels win winter.
Off-grid solar in Mata-Utu at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 13° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 13° | Mean temp. |
|---|---|---|---|---|---|
| January | 5.78 | 1.93 | 1.52 | 4.29 | 28.3 °C |
| February | 5.67 | 2.50 | 2.00 | 4.35 | 28.2 °C |
| March | 5.67 | 3.34 | 2.69 | 4.53 | 28.2 °C |
| April | 5.14 | 4.08 | 3.30 | 4.31 | 28.3 °C |
| May | 4.57 | 4.47 | 3.62 | 3.99 | 28.3 °C |
| June | 4.24 | 4.56 | 3.70 | 3.77 | 28.0 °C |
| July | 4.48 | 4.64 | 3.77 | 3.97 | 27.5 °C |
| August | 5.17 | 4.54 | 3.69 | 4.43 | 27.4 °C |
| September | 5.72 | 3.82 | 3.09 | 4.68 | 27.5 °C |
| October | 5.96 | 2.83 | 2.27 | 4.65 | 27.7 °C |
| November | 5.92 | 2.04 | 1.61 | 4.44 | 27.9 °C |
| December | 5.86 | 1.81 | 1.42 | 4.31 | 28.1 °C |
| Year | 5.35 avg | 3.39 avg | 995 kWh | 1574 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 310 Wp at 13°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Mata-Utu
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.
2.3 mrow pitch at 70°
2.3 mrow pitch at 13°
Solar forecast for Mata-Utu, 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 Mata-Utu
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Places near Mata-Utu
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A free, live card for Mata-Utu: 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.