Indonesia · 0.54° N · 123.06° E
Solar position in Gorontalo
Sun position, daylight and the best solar panel angle for Gorontalo — computed for 0.54° N, 123.06° E, 11 m above sea level.
The sun right now
Sun in Gorontalo today
Sunday, 25 October 2026 · local time UTC+8
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:18 | sun 18° below horizon |
| Nautical dawn | 04:43 | 12° below |
| Civil dawn | 05:07 | 6° below |
| Sunrise | 05:28 | 102° ESE |
| Golden hour ends | 05:56 | sun 6° up |
| Solar noon | 11:31 | 77.4° high |
| Golden hour starts | 17:06 | sun 6° up |
| Sunset | 17:34 | 258° WSW |
| Civil dusk | 17:55 | 6° below |
| Nautical dusk | 18:20 | 12° below |
| Astronomical dusk | 18:45 | 18° below |
| Day length | 12 h 06 min | |
Sun path diagram for Gorontalo
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 67.1° at solar noon in Gorontalo; on the December solstice only 66.0°. Sunrise swings from 67° ENE in June to 113° 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 | 05:56 | 11:58 | 18:01 | 12 h 06 min | 69.6° |
| February | 05:58 | 12:01 | 18:04 | 12 h 06 min | 78.9° |
| March | 05:51 | 11:54 | 17:58 | 12 h 07 min | 89.7° |
| April | 05:42 | 11:46 | 17:50 | 12 h 08 min | 78.7° |
| May | 05:39 | 11:44 | 17:48 | 12 h 09 min | 70.4° |
| June | 05:44 | 11:49 | 17:54 | 12 h 09 min | 67.1° |
| July | 05:49 | 11:54 | 17:58 | 12 h 09 min | 70.1° |
| August | 05:47 | 11:51 | 17:54 | 12 h 08 min | 78.4° |
| September | 05:37 | 11:40 | 17:44 | 12 h 07 min | 89.8° |
| October | 05:29 | 11:32 | 17:35 | 12 h 06 min | 78.8° |
| November | 05:30 | 11:33 | 17:36 | 12 h 06 min | 69.6° |
| December | 05:42 | 11:45 | 17:48 | 12 h 06 min | 66.0° |
A year of daylight in Gorontalo
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 Gorontalo
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
0°collects the most energy over a year: 1541 kWh per kWp.
0°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° year-round best off-grid best | 1541 | 100% | 3.74 | 1.2× |
| 1° = latitude | 1541 | 100% | 3.72 | 1.3× |
| 15° | 1499 | 97% | 3.26 | 1.4× |
| 30° | 1373 | 89% | 2.59 | 1.7× |
| 45° | 1174 | 76% | 1.82 | 2.3× |
| 60° | 923 | 60% | 1.10 | 3.5× |
| 70° | 762 | 49% | 0.95 | 3.7× |
| 90° | 507 | 33% | 0.88 | 2.7× |
A fixed array in Gorontalo produces the most over a year at 0°. The design month for an off-grid system is June: at 0° it makes 3.74 kWh per kWp a day, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Gorontalo at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 0° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 0° | Mean temp. |
|---|---|---|---|---|---|
| January | 5.10 | 4.04 | 3.28 | 4.03 | 27.0 °C |
| February | 5.34 | 3.54 | 2.87 | 4.24 | 27.0 °C |
| March | 5.58 | 2.77 | 2.23 | 4.43 | 27.2 °C |
| April | 5.57 | 1.74 | 1.37 | 4.41 | 27.5 °C |
| May | 5.26 | 1.22 | 0.94 | 4.15 | 27.6 °C |
| June | 4.74 | 1.24 | 0.95 | 3.74 | 27.2 °C |
| July | 4.92 | 1.26 | 0.98 | 3.89 | 26.8 °C |
| August | 5.41 | 1.39 | 1.09 | 4.29 | 26.8 °C |
| September | 5.88 | 2.36 | 1.89 | 4.66 | 27.3 °C |
| October | 5.76 | 3.42 | 2.76 | 4.55 | 27.8 °C |
| November | 5.37 | 4.07 | 3.30 | 4.25 | 27.6 °C |
| December | 5.10 | 4.24 | 3.44 | 4.02 | 27.4 °C |
| Year | 5.33 avg | 2.60 avg | 762 kWh | 1541 kWh |
Sizing example. To run a 1 kWh-per-day load through May on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 1,250 Wp of panels at 70°, versus 320 Wp at 0°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Gorontalo
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.
1.6 mrow pitch at 70°
2.0 mrow pitch at 0°
How Gorontalo compares in Indonesia
Against the other 446 places in Indonesia with climate data, for a fixed array at its best angle.
108thof 447 places in Indonesia for sunshine, shared: 5.33 peak sun hours a day on flat ground.
+3%solar energy a year compared with the average place in Indonesia: 1,541 against 1,498 kWh per kWp.
−20 mindaylight on the longest day, compared with Jakarta: 12 h 09 min against 12 h 29 min.
0°best year-round tilt here; across Indonesia it runs from 0° in Batam to 12° in Kupang.
Of the 447 places in Indonesia, Lewoleba gets the most sun (5.95 peak sun hours a day) and Kuala Tungkal the least (4.48); Gorontalo ranks joint 108th. In its darkest month, May, 1 kWp of off-grid panels at 70° makes 0.94 kWh a day here, against 1.26 kWh on average in Indonesia. The shortest day lasts 12 h 06 min, +20 min compared with Jakarta.
Solar forecast for Gorontalo, 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 Gorontalo
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Places near Gorontalo
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A free, live card for Gorontalo: 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.