Minas Gerais · Brazil · 21.03° S · 44.76° W
Solar position in Bom Sucesso
Sun position, daylight and the best solar panel angle for Bom Sucesso — computed for 21.03° S, 44.76° W, 941 m above sea level.
The sun right now
Sun in Bom Sucesso today
Saturday, 24 October 2026 · local time UTC−3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:04 | sun 18° below horizon |
| Nautical dawn | 04:31 | 12° below |
| Civil dawn | 04:58 | 6° below |
| Sunrise | 05:21 | 103° ESE |
| Golden hour ends | 05:51 | sun 6° up |
| Solar noon | 11:43 | 80.9° high |
| Golden hour starts | 17:35 | sun 6° up |
| Sunset | 18:05 | 257° WSW |
| Civil dusk | 18:28 | 6° below |
| Nautical dusk | 18:55 | 12° below |
| Astronomical dusk | 19:22 | 18° below |
| Day length | 12 h 44 min | |
Sun path diagram for Bom Sucesso
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 45.5° at solar noon in Bom Sucesso; on the December solstice only 87.6°. Sunrise swings from 65° ENE in June to 116° ESE in December — a 50° 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 | 05:34 | 12:10 | 18:45 | 13 h 11 min | 88.8° |
| February | 05:52 | 12:12 | 18:32 | 12 h 40 min | 79.4° |
| March | 06:03 | 12:06 | 18:08 | 12 h 06 min | 68.6° |
| April | 06:12 | 11:57 | 17:42 | 11 h 30 min | 57.0° |
| May | 06:24 | 11:55 | 17:26 | 11 h 02 min | 48.7° |
| June | 06:35 | 12:00 | 17:26 | 10 h 51 min | 45.5° |
| July | 06:34 | 12:05 | 17:36 | 11 h 02 min | 48.6° |
| August | 06:17 | 12:02 | 17:47 | 11 h 30 min | 57.0° |
| September | 05:49 | 11:52 | 17:54 | 12 h 05 min | 68.4° |
| October | 05:23 | 11:43 | 18:04 | 12 h 41 min | 79.8° |
| November | 05:08 | 11:44 | 18:21 | 13 h 12 min | 89.0° |
| December | 05:14 | 11:57 | 18:39 | 13 h 25 min | 87.6° |
A year of daylight in Bom Sucesso
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 Bom Sucesso
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
23°collects the most energy over a year: 1615 kWh per kWp.
21°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 | November kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1507 | 93% | 4.40 | 1.5× |
| 15° | 1602 | 99% | 4.25 | 1.2× |
| 21° off-grid best = latitude | 1614 | 100% | 4.13 | 1.2× |
| 23° year-round best | 1615 | 100% | 4.08 | 1.2× |
| 30° | 1605 | 99% | 3.89 | 1.3× |
| 45° | 1516 | 94% | 3.32 | 1.6× |
| 60° | 1343 | 83% | 2.61 | 2.0× |
| 70° | 1188 | 74% | 2.08 | 2.5× |
| 90° | 834 | 52% | 1.19 | 3.2× |
A fixed array in Bom Sucesso produces the most over a year at 23°. The design month for an off-grid system is November: at 21° it makes 4.13 kWh per kWp a day, 1% more than at 23°, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Bom Sucesso at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 23° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 23° | Mean temp. |
|---|---|---|---|---|---|
| January | 5.80 | 2.49 | 2.03 | 4.28 | 21.9 °C |
| February | 5.93 | 3.08 | 2.53 | 4.62 | 21.8 °C |
| March | 5.32 | 3.67 | 3.04 | 4.46 | 21.3 °C |
| April | 4.86 | 4.51 | 3.77 | 4.51 | 20.3 °C |
| May | 4.14 | 4.79 | 4.04 | 4.20 | 18.1 °C |
| June | 3.93 | 5.18 | 4.38 | 4.22 | 17.5 °C |
| July | 4.25 | 5.48 | 4.64 | 4.54 | 17.5 °C |
| August | 4.97 | 5.30 | 4.46 | 4.91 | 19.2 °C |
| September | 5.37 | 4.21 | 3.50 | 4.72 | 21.3 °C |
| October | 5.58 | 3.22 | 2.65 | 4.45 | 22.3 °C |
| November | 5.43 | 2.55 | 2.08 | 4.08 | 21.5 °C |
| December | 5.66 | 2.32 | 1.89 | 4.12 | 21.7 °C |
| Year | 5.10 avg | 3.90 avg | 1188 kWh | 1615 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 620 Wp of panels at 70°, versus 290 Wp at 23°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Bom Sucesso
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.
2.7 mrow pitch at 70°
2.7 mrow pitch at 23°
How Bom Sucesso compares in Brazil
Against the other 2,263 places in Brazil with climate data, for a fixed array at its best angle.
1345thof 2,264 places in Brazil for sunshine, shared: 5.10 peak sun hours a day on flat ground.
+2%solar energy a year compared with the average place in Brazil: 1,615 against 1,581 kWh per kWp.
−11 mindaylight on the longest day, compared with São Paulo: 13 h 25 min against 13 h 35 min.
23°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); Bom Sucesso ranks joint 1345th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.89 kWh a day here, against 1.56 kWh on average in Brazil. The shortest day lasts 10 h 51 min, +10 min compared with São Paulo.
Solar forecast for Bom Sucesso, 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 Bom Sucesso: 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.