Melekeok · Palau · 7.50° N · 134.62° E
Solar position in Ngerulmud
Sun position, daylight and the best solar panel angle for Ngerulmud — computed for 7.50° N, 134.62° E, 72 m above sea level.
The sun right now
Sun in Ngerulmud today
Sunday, 25 October 2026 · local time UTC+9
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:38 | sun 18° below horizon |
| Nautical dawn | 05:02 | 12° below |
| Civil dawn | 05:27 | 6° below |
| Sunrise | 05:48 | 102° ESE |
| Golden hour ends | 06:16 | sun 6° up |
| Solar noon | 11:45 | 70.4° high |
| Golden hour starts | 17:14 | sun 6° up |
| Sunset | 17:42 | 258° WSW |
| Civil dusk | 18:03 | 6° below |
| Nautical dusk | 18:28 | 12° below |
| Astronomical dusk | 18:53 | 18° below |
| Day length | 11 h 54 min | |
Sun path diagram for Ngerulmud
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 74.1° at solar noon in Ngerulmud; on the December solstice only 59.1°. Sunrise swings from 66° ENE in June to 114° ESE in December — a 47° 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 | 06:20 | 12:12 | 18:05 | 11 h 45 min | 62.6° |
| February | 06:17 | 12:15 | 18:12 | 11 h 55 min | 71.9° |
| March | 06:05 | 12:08 | 18:12 | 12 h 07 min | 82.7° |
| April | 05:50 | 12:00 | 18:10 | 12 h 19 min | 85.7° |
| May | 05:43 | 11:58 | 18:12 | 12 h 29 min | 77.3° |
| June | 05:46 | 12:03 | 18:20 | 12 h 34 min | 74.1° |
| July | 05:53 | 12:07 | 18:22 | 12 h 30 min | 77.0° |
| August | 05:54 | 12:04 | 18:14 | 12 h 20 min | 85.4° |
| September | 05:51 | 11:54 | 17:58 | 12 h 07 min | 83.2° |
| October | 05:48 | 11:46 | 17:43 | 11 h 55 min | 71.8° |
| November | 05:54 | 11:47 | 17:39 | 11 h 45 min | 62.6° |
| December | 06:08 | 11:59 | 17:50 | 11 h 41 min | 59.1° |
A year of daylight in Ngerulmud
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 Ngerulmud
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
7°collects the most energy over a year: 1506 kWh per kWp.
3°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 | July kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1496 | 99% | 3.82 | 1.3× |
| 3° off-grid best | 1502 | 100% | 3.76 | 1.2× |
| 7° year-round best | 1506 | 100% | 3.68 | 1.3× |
| 8° = latitude | 1506 | 100% | 3.66 | 1.3× |
| 15° | 1495 | 99% | 3.48 | 1.3× |
| 30° | 1411 | 94% | 2.96 | 1.5× |
| 45° | 1250 | 83% | 2.29 | 1.9× |
| 60° | 1028 | 68% | 1.56 | 2.7× |
| 70° | 860 | 57% | 1.14 | 3.3× |
| 90° | 580 | 38% | 0.98 | 2.8× |
A fixed array in Ngerulmud produces the most over a year at 7°. The design month for an off-grid system is July: at 3° it makes 3.76 kWh per kWp a day, 2% more than at 7°, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Ngerulmud at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 7° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 7° | Mean temp. |
|---|---|---|---|---|---|
| January | 4.93 | 4.44 | 3.60 | 4.08 | 28.1 °C |
| February | 5.30 | 3.99 | 3.24 | 4.32 | 27.8 °C |
| March | 5.83 | 3.37 | 2.72 | 4.66 | 27.9 °C |
| April | 5.98 | 2.28 | 1.81 | 4.65 | 28.3 °C |
| May | 5.46 | 1.56 | 1.21 | 4.16 | 28.4 °C |
| June | 4.97 | 1.39 | 1.08 | 3.76 | 28.2 °C |
| July | 4.84 | 1.46 | 1.14 | 3.68 | 28.0 °C |
| August | 5.03 | 1.86 | 1.46 | 3.89 | 27.9 °C |
| September | 5.15 | 2.66 | 2.13 | 4.07 | 28.0 °C |
| October | 5.29 | 3.63 | 2.93 | 4.28 | 28.2 °C |
| November | 4.97 | 4.27 | 3.45 | 4.09 | 28.5 °C |
| December | 4.67 | 4.41 | 3.57 | 3.88 | 28.4 °C |
| Year | 5.20 avg | 2.94 avg | 860 kWh | 1506 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 1,100 Wp of panels at 70°, versus 320 Wp at 7°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Ngerulmud
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.
2.0 mrow pitch at 70°
2.2 mrow pitch at 7°
Solar forecast for Ngerulmud, 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 Ngerulmud
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A free, live card for Ngerulmud: 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.