Minas Gerais · Brazil · 19.62° S · 43.23° W
Solar position in Itabira
Sun position, daylight and the best solar panel angle for Itabira — computed for 19.62° S, 43.23° W, 794 m above sea level.
The sun right now
Sun in Itabira today
Saturday, 24 October 2026 · local time UTC−3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:00 | sun 18° below horizon |
| Nautical dawn | 04:27 | 12° below |
| Civil dawn | 04:53 | 6° below |
| Sunrise | 05:16 | 103° ESE |
| Golden hour ends | 05:46 | sun 6° up |
| Solar noon | 11:37 | 82.3° high |
| Golden hour starts | 17:28 | sun 6° up |
| Sunset | 17:58 | 257° WSW |
| Civil dusk | 18:20 | 6° below |
| Nautical dusk | 18:47 | 12° below |
| Astronomical dusk | 19:14 | 18° below |
| Day length | 12 h 42 min | |
Sun path diagram for Itabira
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 47.0° at solar noon in Itabira; on the December solstice only 86.2°. Sunrise swings from 65° ENE in June to 115° 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 | 05:30 | 12:04 | 18:37 | 13 h 07 min | 89.8° |
| February | 05:47 | 12:06 | 18:24 | 12 h 37 min | 80.8° |
| March | 05:56 | 11:59 | 18:02 | 12 h 06 min | 70.0° |
| April | 06:05 | 11:51 | 17:37 | 11 h 32 min | 58.4° |
| May | 06:15 | 11:49 | 17:22 | 11 h 07 min | 50.1° |
| June | 06:26 | 11:54 | 17:23 | 10 h 57 min | 47.0° |
| July | 06:26 | 11:59 | 17:32 | 11 h 07 min | 50.0° |
| August | 06:09 | 11:56 | 17:42 | 11 h 32 min | 58.4° |
| September | 05:43 | 11:46 | 17:48 | 12 h 05 min | 69.8° |
| October | 05:18 | 11:37 | 17:56 | 12 h 38 min | 81.2° |
| November | 05:05 | 11:38 | 18:12 | 13 h 07 min | 89.6° |
| December | 05:11 | 11:51 | 18:30 | 13 h 19 min | 86.2° |
A year of daylight in Itabira
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 Itabira
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
21°collects the most energy over a year: 1540 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° | 1458 | 95% | 4.16 | 1.6× |
| 15° | 1534 | 100% | 4.00 | 1.3× |
| 20° = latitude | 1540 | 100% | 3.90 | 1.2× |
| 21° year-round best off-grid best | 1540 | 100% | 3.88 | 1.2× |
| 30° | 1523 | 99% | 3.64 | 1.3× |
| 45° | 1425 | 93% | 3.09 | 1.5× |
| 60° | 1248 | 81% | 2.39 | 2.0× |
| 70° | 1095 | 71% | 1.89 | 2.4× |
| 90° | 759 | 49% | 1.11 | 3.0× |
A fixed array in Itabira produces the most over a year at 21°. The design month for an off-grid system is November: at 21° it makes 3.88 kWh per kWp a day, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Itabira at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 21° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 21° | Mean temp. |
|---|---|---|---|---|---|
| January | 5.85 | 2.32 | 1.88 | 4.31 | 22.8 °C |
| February | 5.91 | 2.95 | 2.42 | 4.59 | 22.8 °C |
| March | 5.23 | 3.51 | 2.90 | 4.35 | 22.4 °C |
| April | 4.68 | 4.19 | 3.49 | 4.25 | 21.4 °C |
| May | 4.02 | 4.46 | 3.74 | 3.94 | 19.6 °C |
| June | 3.79 | 4.74 | 3.99 | 3.90 | 18.9 °C |
| July | 4.07 | 4.97 | 4.18 | 4.16 | 18.8 °C |
| August | 4.73 | 4.81 | 4.03 | 4.52 | 20.1 °C |
| September | 5.16 | 3.92 | 3.25 | 4.47 | 22.1 °C |
| October | 5.41 | 3.03 | 2.48 | 4.30 | 23.4 °C |
| November | 5.16 | 2.33 | 1.89 | 3.88 | 22.6 °C |
| December | 5.48 | 2.12 | 1.71 | 4.00 | 22.7 °C |
| Year | 4.95 avg | 3.62 avg | 1095 kWh | 1540 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 690 Wp of panels at 70°, versus 300 Wp at 21°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Itabira
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.
2.6 mrow pitch at 70°
2.6 mrow pitch at 21°
How Itabira compares in Brazil
Against the other 2,263 places in Brazil with climate data, for a fixed array at its best angle.
1562ndof 2,264 places in Brazil for sunshine, shared: 4.95 peak sun hours a day on flat ground.
−3%solar energy a year compared with the average place in Brazil: 1,540 against 1,581 kWh per kWp.
−16 mindaylight on the longest day, compared with São Paulo: 13 h 19 min against 13 h 35 min.
21°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); Itabira ranks joint 1562nd. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.71 kWh a day here, against 1.56 kWh on average in Brazil. The shortest day lasts 10 h 57 min, +16 min compared with São Paulo.
Solar forecast for Itabira, 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 Itabira
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A free, live card for Itabira: 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.