Mato Grosso · Brazil · 15.46° S · 55.75° W
Solar position in Chapada dos Guimarães
Sun position, daylight and the best solar panel angle for Chapada dos Guimarães — computed for 15.46° S, 55.75° W, 827 m above sea level.
The sun right now
Sun in Chapada dos Guimarães today
Saturday, 24 October 2026 · local time UTC−4
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 03:56 | sun 18° below horizon |
| Nautical dawn | 04:22 | 12° below |
| Civil dawn | 04:48 | 6° below |
| Sunrise | 05:10 | 102° ESE |
| Golden hour ends | 05:39 | sun 6° up |
| Solar noon | 11:27 | 86.4° high |
| Golden hour starts | 17:15 | sun 6° up |
| Sunset | 17:44 | 257° WSW |
| Civil dusk | 18:06 | 6° below |
| Nautical dusk | 18:32 | 12° below |
| Astronomical dusk | 18:58 | 18° below |
| Day length | 12 h 34 min | |
Sun path diagram for Chapada dos Guimarães
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 51.1° at solar noon in Chapada dos Guimarães; on the December solstice only 82.0°. Sunrise swings from 66° ENE in June to 115° ESE in December — a 49° 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 | 05:27 | 11:54 | 18:20 | 12 h 53 min | 85.7° |
| February | 05:41 | 11:56 | 18:11 | 12 h 30 min | 84.9° |
| March | 05:47 | 11:50 | 17:52 | 12 h 06 min | 74.1° |
| April | 05:51 | 11:41 | 17:31 | 11 h 40 min | 62.5° |
| May | 05:59 | 11:39 | 17:19 | 11 h 21 min | 54.3° |
| June | 06:08 | 11:44 | 17:21 | 11 h 13 min | 51.1° |
| July | 06:09 | 11:49 | 17:29 | 11 h 20 min | 54.2° |
| August | 05:56 | 11:46 | 17:36 | 11 h 40 min | 62.6° |
| September | 05:33 | 11:36 | 17:38 | 12 h 06 min | 74.0° |
| October | 05:12 | 11:27 | 17:43 | 12 h 31 min | 85.4° |
| November | 05:02 | 11:28 | 17:55 | 12 h 54 min | 85.5° |
| December | 05:09 | 11:41 | 18:12 | 13 h 03 min | 82.0° |
A year of daylight in Chapada dos Guimarães
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 Chapada dos Guimarães
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
19°collects the most energy over a year: 1574 kWh per kWp.
10°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 | January kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1503 | 95% | 4.25 | 1.2× |
| 10° off-grid best | 1558 | 99% | 4.10 | 1.1× |
| 15° = latitude | 1571 | 100% | 3.99 | 1.2× |
| 19° year-round best | 1574 | 100% | 3.89 | 1.3× |
| 30° | 1550 | 98% | 3.53 | 1.5× |
| 45° | 1440 | 91% | 2.89 | 1.9× |
| 60° | 1252 | 80% | 2.13 | 2.5× |
| 70° | 1092 | 69% | 1.62 | 3.1× |
| 90° | 758 | 48% | 1.12 | 3.5× |
A fixed array in Chapada dos Guimarães produces the most over a year at 19°. The design month for an off-grid system is January: at 10° it makes 4.10 kWh per kWp a day, 5% more than at 19°, and costs 1% of the yearly total. Why steep panels win winter.
Off-grid solar in Chapada dos Guimarães at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 19° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 19° | Mean temp. |
|---|---|---|---|---|---|
| January | 5.33 | 2.03 | 1.62 | 3.89 | 25.6 °C |
| February | 5.30 | 2.52 | 2.03 | 4.04 | 25.4 °C |
| March | 5.32 | 3.30 | 2.69 | 4.30 | 25.5 °C |
| April | 5.11 | 4.26 | 3.50 | 4.47 | 24.9 °C |
| May | 4.65 | 4.91 | 4.06 | 4.39 | 23.2 °C |
| June | 4.61 | 5.58 | 4.61 | 4.57 | 23.0 °C |
| July | 4.92 | 5.76 | 4.76 | 4.82 | 23.5 °C |
| August | 5.39 | 5.11 | 4.18 | 4.89 | 26.1 °C |
| September | 5.17 | 3.61 | 2.91 | 4.25 | 28.4 °C |
| October | 5.33 | 2.77 | 2.21 | 4.10 | 28.2 °C |
| November | 5.57 | 2.16 | 1.72 | 4.08 | 26.8 °C |
| December | 5.48 | 1.93 | 1.53 | 3.93 | 25.9 °C |
| Year | 5.18 avg | 3.67 avg | 1092 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 770 Wp of panels at 70°, versus 300 Wp at 19°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Chapada dos Guimarães
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.
2.4 mrow pitch at 70°
2.5 mrow pitch at 19°
How Chapada dos Guimarães compares in Brazil
Against the other 2,263 places in Brazil with climate data, for a fixed array at its best angle.
1190thof 2,264 places in Brazil for sunshine, shared: 5.18 peak sun hours a day on flat ground.
±0%solar energy a year compared with the average place in Brazil: 1,574 against 1,581 kWh per kWp.
−33 mindaylight on the longest day, compared with São Paulo: 13 h 03 min against 13 h 35 min.
19°best year-round tilt here; across Brazil it runs from 0° in Macapá to 28° in Santa Vitória do Palmar.
Of the 2,264 places in Brazil, Catolé do Rocha gets the most sun (6.16 peak sun hours a day) and Paranaguá the least (4.01); Chapada dos Guimarães ranks joint 1190th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.53 kWh a day here, against 1.56 kWh on average in Brazil. The shortest day lasts 11 h 13 min, +32 min compared with São Paulo.
Solar forecast for Chapada dos Guimarães, 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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A free, live card for Chapada dos Guimarães: 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.