Maranhão · Brazil · 3.26° S · 44.62° W
Solar position in Anajatuba
Sun position, daylight and the best solar panel angle for Anajatuba — computed for 3.26° S, 44.62° W, 11 m above sea level.
The sun right now
Sun in Anajatuba today
Saturday, 24 October 2026 · local time UTC−3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:26 | sun 18° below horizon |
| Nautical dawn | 04:50 | 12° below |
| Civil dawn | 05:15 | 6° below |
| Sunrise | 05:36 | 102° ESE |
| Golden hour ends | 06:04 | sun 6° up |
| Solar noon | 11:42 | 81.4° high |
| Golden hour starts | 17:20 | sun 6° up |
| Sunset | 17:48 | 258° WSW |
| Civil dusk | 18:09 | 6° below |
| Nautical dusk | 18:34 | 12° below |
| Astronomical dusk | 18:59 | 18° below |
| Day length | 12 h 12 min | |
Sun path diagram for Anajatuba
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 63.3° at solar noon in Anajatuba; on the December solstice only 69.8°. Sunrise swings from 67° 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 | 06:01 | 12:09 | 18:18 | 12 h 17 min | 73.5° |
| February | 06:06 | 12:12 | 18:17 | 12 h 12 min | 82.9° |
| March | 06:02 | 12:05 | 18:08 | 12 h 06 min | 86.3° |
| April | 05:56 | 11:57 | 17:57 | 12 h 01 min | 74.7° |
| May | 05:56 | 11:55 | 17:53 | 11 h 57 min | 66.5° |
| June | 06:02 | 12:00 | 17:58 | 11 h 56 min | 63.3° |
| July | 06:06 | 12:04 | 18:03 | 11 h 57 min | 66.4° |
| August | 06:01 | 12:01 | 18:02 | 12 h 01 min | 74.8° |
| September | 05:48 | 11:51 | 17:54 | 12 h 06 min | 86.2° |
| October | 05:37 | 11:43 | 17:48 | 12 h 12 min | 82.4° |
| November | 05:36 | 11:44 | 17:52 | 12 h 17 min | 73.3° |
| December | 05:47 | 11:56 | 18:06 | 12 h 19 min | 69.8° |
A year of daylight in Anajatuba
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 Anajatuba
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
6°collects the most energy over a year: 1535 kWh per kWp.
1°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° | 1529 | 100% | 3.88 | 1.2× |
| 1° off-grid best | 1531 | 100% | 3.86 | 1.2× |
| 3° = latitude | 1534 | 100% | 3.82 | 1.3× |
| 6° year-round best | 1535 | 100% | 3.75 | 1.3× |
| 15° | 1518 | 99% | 3.50 | 1.4× |
| 30° | 1422 | 93% | 2.93 | 1.7× |
| 45° | 1248 | 81% | 2.22 | 2.2× |
| 60° | 1013 | 66% | 1.47 | 3.2× |
| 70° | 846 | 55% | 1.12 | 3.6× |
| 90° | 566 | 37% | 1.01 | 2.9× |
A fixed array in Anajatuba produces the most over a year at 6°. The design month for an off-grid system is January: at 1° it makes 3.86 kWh per kWp a day, 3% more than at 6°, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Anajatuba at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 6° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 6° | Mean temp. |
|---|---|---|---|---|---|
| January | 4.92 | 1.44 | 1.12 | 3.75 | 27.3 °C |
| February | 4.87 | 1.75 | 1.39 | 3.80 | 26.4 °C |
| March | 4.89 | 2.40 | 1.93 | 3.88 | 26.3 °C |
| April | 4.85 | 3.18 | 2.58 | 3.92 | 26.2 °C |
| May | 4.95 | 3.98 | 3.25 | 4.07 | 26.4 °C |
| June | 5.16 | 4.69 | 3.83 | 4.30 | 26.1 °C |
| July | 5.43 | 4.76 | 3.89 | 4.51 | 26.4 °C |
| August | 5.89 | 4.29 | 3.47 | 4.79 | 28.1 °C |
| September | 6.10 | 3.19 | 2.55 | 4.82 | 29.6 °C |
| October | 5.93 | 2.04 | 1.60 | 4.57 | 30.1 °C |
| November | 5.51 | 1.41 | 1.08 | 4.18 | 29.9 °C |
| December | 5.12 | 1.39 | 1.07 | 3.86 | 29.0 °C |
| Year | 5.30 avg | 2.88 avg | 846 kWh | 1535 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 1,100 Wp of panels at 70°, versus 310 Wp at 6°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Anajatuba
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.
1.8 mrow pitch at 70°
2.1 mrow pitch at 6°
How Anajatuba compares in Brazil
Against the other 2,263 places in Brazil with climate data, for a fixed array at its best angle.
935thof 2,264 places in Brazil for sunshine, shared: 5.30 peak sun hours a day on flat ground.
−3%solar energy a year compared with the average place in Brazil: 1,535 against 1,581 kWh per kWp.
−1 h 17 mindaylight on the longest day, compared with São Paulo: 12 h 19 min against 13 h 35 min.
6°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); Anajatuba ranks joint 935th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.07 kWh a day here, against 1.56 kWh on average in Brazil. The shortest day lasts 11 h 56 min, +1 h 15 min compared with São Paulo.
Solar forecast for Anajatuba, 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 Anajatuba: 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.