Yigo · Guam · 13.54° N · 144.89° E
Solar position in Yigo Village
Sun position, daylight and the best solar panel angle for Yigo Village — computed for 13.54° N, 144.89° E, 140 m above sea level.
The sun right now
Sun in Yigo Village today
Sunday, 25 October 2026 · local time UTC+10
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:01 | sun 18° below horizon |
| Nautical dawn | 05:26 | 12° below |
| Civil dawn | 05:51 | 6° below |
| Sunrise | 06:12 | 102° ESE |
| Golden hour ends | 06:41 | sun 6° up |
| Solar noon | 12:04 | 64.4° high |
| Golden hour starts | 17:27 | sun 6° up |
| Sunset | 17:56 | 258° WSW |
| Civil dusk | 18:17 | 6° below |
| Nautical dusk | 18:42 | 12° below |
| Astronomical dusk | 19:07 | 18° below |
| Day length | 11 h 43 min | |
Sun path diagram for Yigo Village
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 80.1° at solar noon in Yigo Village; on the December solstice only 53.0°. 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 | 06:47 | 12:31 | 18:15 | 11 h 27 min | 56.6° |
| February | 06:41 | 12:34 | 18:27 | 11 h 46 min | 65.9° |
| March | 06:24 | 12:27 | 18:31 | 12 h 07 min | 76.7° |
| April | 06:04 | 12:19 | 18:34 | 12 h 30 min | 88.3° |
| May | 05:53 | 12:16 | 18:41 | 12 h 48 min | 83.4° |
| June | 05:54 | 12:22 | 18:49 | 12 h 56 min | 80.1° |
| July | 06:02 | 12:26 | 18:51 | 12 h 49 min | 83.1° |
| August | 06:08 | 12:23 | 18:38 | 12 h 31 min | 88.6° |
| September | 06:09 | 12:13 | 18:17 | 12 h 08 min | 77.2° |
| October | 06:12 | 12:05 | 17:58 | 11 h 46 min | 65.8° |
| November | 06:22 | 12:06 | 17:49 | 11 h 27 min | 56.6° |
| December | 06:38 | 12:18 | 17:58 | 11 h 20 min | 53.0° |
A year of daylight in Yigo Village
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 Yigo Village
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
12°collects the most energy over a year: 1642 kWh per kWp.
5°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 | August kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1610 | 98% | 4.05 | 1.4× |
| 5° off-grid best | 1631 | 99% | 4.02 | 1.3× |
| 12° year-round best | 1642 | 100% | 3.94 | 1.3× |
| 14° = latitude | 1642 | 100% | 3.91 | 1.3× |
| 15° | 1641 | 100% | 3.90 | 1.3× |
| 30° | 1578 | 96% | 3.54 | 1.4× |
| 45° | 1426 | 87% | 2.99 | 1.7× |
| 60° | 1199 | 73% | 2.31 | 2.5× |
| 70° | 1018 | 62% | 1.80 | 3.5× |
| 90° | 685 | 42% | 1.05 | 3.6× |
A fixed array in Yigo Village produces the most over a year at 12°. The design month for an off-grid system is August: at 5° it makes 4.02 kWh per kWp a day, 2% more than at 12°, and costs 1% of the yearly total. Why steep panels win winter.
Off-grid solar in Yigo Village at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 12° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 12° | Mean temp. |
|---|---|---|---|---|---|
| January | 4.86 | 5.02 | 4.07 | 4.26 | 27.5 °C |
| February | 5.52 | 4.73 | 3.85 | 4.70 | 27.2 °C |
| March | 6.26 | 4.10 | 3.32 | 5.12 | 27.3 °C |
| April | 6.74 | 2.93 | 2.35 | 5.24 | 27.9 °C |
| May | 6.65 | 1.99 | 1.57 | 4.97 | 28.4 °C |
| June | 6.42 | 1.60 | 1.24 | 4.70 | 28.8 °C |
| July | 5.68 | 1.82 | 1.43 | 4.23 | 28.5 °C |
| August | 5.14 | 2.27 | 1.80 | 3.94 | 28.4 °C |
| September | 5.06 | 2.98 | 2.39 | 4.02 | 28.4 °C |
| October | 5.00 | 3.85 | 3.11 | 4.15 | 28.5 °C |
| November | 5.06 | 5.01 | 4.05 | 4.40 | 28.7 °C |
| December | 4.85 | 5.36 | 4.34 | 4.31 | 28.2 °C |
| Year | 5.60 avg | 3.46 avg | 1018 kWh | 1642 kWh |
Sizing example. To run a 1 kWh-per-day load through June on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 950 Wp of panels at 70°, versus 300 Wp at 12°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Yigo Village
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 12°
How Yigo Village compares in Guam
Against the other 4 places in Guam with climate data, for a fixed array at its best angle.
1stof 5 places in Guam for sunshine, shared: 5.60 peak sun hours a day on flat ground.
±0%solar energy a year compared with the average place in Guam: 1,642 against 1,640 kWh per kWp.
±0 mindaylight on the longest day, compared with Dededo Village: 12 h 56 min against 12 h 55 min.
12°best year-round tilt here, the same everywhere in Guam.
Yigo Village shares the top spot for sunshine among the 5 places in Guam (5.60 peak sun hours a day); the least sunny are Hagåtña and 2 other places with 5.59. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.24 kWh a day here, against 1.24 kWh on average in Guam. The shortest day lasts 11 h 20 min, ±0 min compared with Dededo Village.
Solar forecast for Yigo Village, 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 Yigo Village
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Places near Yigo Village
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A free, live card for Yigo Village: 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.