Maranhão · Brazil · 7.64° S · 47.22° W
Solar position in Santa Luzia
Sun position, daylight and the best solar panel angle for Santa Luzia — computed for 7.64° S, 47.22° W, 197 m above sea level.
The sun right now
Sun in Santa Luzia today
Saturday, 24 October 2026 · local time UTC−3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:32 | sun 18° below horizon |
| Nautical dawn | 04:57 | 12° below |
| Civil dawn | 05:21 | 6° below |
| Sunrise | 05:43 | 102° ESE |
| Golden hour ends | 06:11 | sun 6° up |
| Solar noon | 11:53 | 85.7° high |
| Golden hour starts | 17:34 | sun 6° up |
| Sunset | 18:02 | 258° WSW |
| Civil dusk | 18:24 | 6° below |
| Nautical dusk | 18:49 | 12° below |
| Astronomical dusk | 19:14 | 18° below |
| Day length | 12 h 20 min | |
Sun path diagram for Santa Luzia
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 58.9° at solar noon in Santa Luzia; on the December solstice only 74.2°. 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 | 06:05 | 12:20 | 18:34 | 12 h 29 min | 77.8° |
| February | 06:13 | 12:22 | 18:31 | 12 h 18 min | 87.2° |
| March | 06:12 | 12:15 | 18:18 | 12 h 06 min | 82.0° |
| April | 06:10 | 12:07 | 18:04 | 11 h 54 min | 70.4° |
| May | 06:13 | 12:05 | 17:57 | 11 h 44 min | 62.1° |
| June | 06:20 | 12:10 | 18:01 | 11 h 41 min | 58.9° |
| July | 06:23 | 12:15 | 18:07 | 11 h 44 min | 62.0° |
| August | 06:15 | 12:12 | 18:08 | 11 h 54 min | 70.4° |
| September | 05:58 | 12:01 | 18:04 | 12 h 06 min | 81.8° |
| October | 05:44 | 11:53 | 18:02 | 12 h 19 min | 86.8° |
| November | 05:39 | 11:54 | 18:09 | 12 h 30 min | 77.6° |
| December | 05:49 | 12:06 | 18:24 | 12 h 34 min | 74.2° |
A year of daylight in Santa Luzia
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 Santa Luzia
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
13°collects the most energy over a year: 1588 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 | December kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° off-grid best | 1554 | 98% | 3.92 | 1.3× |
| 8° = latitude | 1583 | 100% | 3.75 | 1.4× |
| 13° year-round best | 1588 | 100% | 3.62 | 1.5× |
| 15° | 1587 | 100% | 3.56 | 1.5× |
| 30° | 1530 | 96% | 3.01 | 1.9× |
| 45° | 1387 | 87% | 2.32 | 2.4× |
| 60° | 1170 | 74% | 1.58 | 3.3× |
| 70° | 999 | 63% | 1.19 | 4.1× |
| 90° | 679 | 43% | 1.05 | 3.4× |
A fixed array in Santa Luzia produces the most over a year at 13°. The design month for an off-grid system is December: at 0° it makes 3.92 kWh per kWp a day, 8% more than at 13°, and costs 2% of the yearly total. Why steep panels win winter.
Off-grid solar in Santa Luzia at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 13° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 13° | Mean temp. |
|---|---|---|---|---|---|
| January | 4.96 | 1.60 | 1.26 | 3.67 | 26.0 °C |
| February | 5.04 | 2.05 | 1.64 | 3.86 | 25.7 °C |
| March | 5.01 | 2.73 | 2.21 | 3.97 | 25.8 °C |
| April | 5.03 | 3.57 | 2.91 | 4.16 | 25.9 °C |
| May | 5.18 | 4.62 | 3.77 | 4.49 | 26.3 °C |
| June | 5.53 | 5.74 | 4.69 | 4.96 | 26.4 °C |
| July | 5.90 | 5.93 | 4.83 | 5.25 | 26.9 °C |
| August | 6.36 | 5.17 | 4.19 | 5.39 | 28.5 °C |
| September | 6.28 | 3.65 | 2.92 | 5.00 | 30.4 °C |
| October | 5.42 | 2.34 | 1.85 | 4.12 | 30.0 °C |
| November | 4.99 | 1.67 | 1.31 | 3.69 | 28.2 °C |
| December | 4.95 | 1.52 | 1.19 | 3.62 | 27.1 °C |
| Year | 5.39 avg | 3.39 avg | 999 kWh | 1588 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 990 Wp of panels at 70°, versus 330 Wp at 13°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Santa Luzia
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°
2.3 mrow pitch at 13°
How Santa Luzia compares in Brazil
Against the other 2,263 places in Brazil with climate data, for a fixed array at its best angle.
809thof 2,264 places in Brazil for sunshine, shared: 5.39 peak sun hours a day on flat ground.
±0%solar energy a year compared with the average place in Brazil: 1,588 against 1,581 kWh per kWp.
−1 h 01 mindaylight on the longest day, compared with São Paulo: 12 h 34 min against 13 h 35 min.
13°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); Santa Luzia ranks joint 809th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.19 kWh a day here, against 1.56 kWh on average in Brazil. The shortest day lasts 11 h 41 min, +1 h 00 min compared with São Paulo.
Solar forecast for Santa Luzia, 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 Santa Luzia
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Places near Santa Luzia
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A free, live card for Santa Luzia: 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.