Atsimo-Atsinanana · Madagascar · 22.82° S · 47.83° E
Solar position in Farafangana
Sun position, daylight and the best solar panel angle for Farafangana — computed for 22.82° S, 47.83° E, 12 m above sea level.
The sun right now
Sun in Farafangana today
Saturday, 24 October 2026 · local time UTC+3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 03:51 | sun 18° below horizon |
| Nautical dawn | 04:18 | 12° below |
| Civil dawn | 04:46 | 6° below |
| Sunrise | 05:09 | 103° ESE |
| Golden hour ends | 05:39 | sun 6° up |
| Solar noon | 11:32 | 79.0° high |
| Golden hour starts | 17:26 | sun 6° up |
| Sunset | 17:56 | 257° WSW |
| Civil dusk | 18:20 | 6° below |
| Nautical dusk | 18:47 | 12° below |
| Astronomical dusk | 19:15 | 18° below |
| Day length | 12 h 48 min | |
Sun path diagram for Farafangana
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 43.8° at solar noon in Farafangana; on the December solstice only 89.4°. Sunrise swings from 65° ENE in June to 116° ESE in December — a 51° 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 | 05:20 | 11:59 | 18:38 | 13 h 18 min | 87.0° |
| February | 05:40 | 12:02 | 18:23 | 12 h 43 min | 77.7° |
| March | 05:52 | 11:55 | 17:58 | 12 h 06 min | 66.9° |
| April | 06:03 | 11:47 | 17:30 | 11 h 27 min | 55.3° |
| May | 06:16 | 11:45 | 17:13 | 10 h 56 min | 47.0° |
| June | 06:28 | 11:50 | 17:12 | 10 h 44 min | 43.8° |
| July | 06:27 | 11:55 | 17:23 | 10 h 56 min | 46.8° |
| August | 06:09 | 11:52 | 17:35 | 11 h 26 min | 55.1° |
| September | 05:39 | 11:41 | 17:44 | 12 h 05 min | 66.5° |
| October | 05:11 | 11:33 | 17:55 | 12 h 44 min | 77.9° |
| November | 04:55 | 11:34 | 18:13 | 13 h 18 min | 87.1° |
| December | 05:00 | 11:46 | 18:32 | 13 h 32 min | 89.4° |
A year of daylight in Farafangana
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 Farafangana
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: 1573 kWh per kWp.
40°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 | June kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1489 | 95% | 2.72 | 1.9× |
| 15° | 1567 | 100% | 3.31 | 1.5× |
| 21° year-round best | 1573 | 100% | 3.49 | 1.4× |
| 23° = latitude | 1572 | 100% | 3.54 | 1.3× |
| 30° | 1557 | 99% | 3.70 | 1.3× |
| 40° off-grid best | 1501 | 95% | 3.83 | 1.2× |
| 45° | 1459 | 93% | 3.86 | 1.3× |
| 60° | 1281 | 81% | 3.80 | 1.6× |
| 70° | 1125 | 72% | 3.63 | 1.9× |
| 90° | 775 | 49% | 3.01 | 2.7× |
A fixed array in Farafangana produces the most over a year at 21°. The design month for an off-grid system is June: at 40° it makes 3.83 kWh per kWp a day, 10% more than at 21°, and costs 5% of the yearly total. Why steep panels win winter.
Off-grid solar in Farafangana 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 | 6.14 | 2.68 | 2.16 | 4.56 | 25.8 °C |
| February | 5.92 | 3.23 | 2.62 | 4.62 | 25.7 °C |
| March | 5.26 | 3.75 | 3.06 | 4.38 | 25.3 °C |
| April | 4.57 | 4.28 | 3.53 | 4.15 | 24.1 °C |
| May | 3.79 | 4.35 | 3.61 | 3.70 | 22.4 °C |
| June | 3.42 | 4.36 | 3.63 | 3.49 | 20.9 °C |
| July | 3.58 | 4.35 | 3.64 | 3.60 | 20.0 °C |
| August | 4.45 | 4.66 | 3.90 | 4.26 | 20.3 °C |
| September | 5.37 | 4.35 | 3.62 | 4.74 | 21.2 °C |
| October | 5.86 | 3.52 | 2.90 | 4.75 | 22.8 °C |
| November | 6.26 | 2.80 | 2.28 | 4.73 | 24.1 °C |
| December | 6.56 | 2.52 | 2.03 | 4.78 | 25.4 °C |
| Year | 5.09 avg | 3.74 avg | 1125 kWh | 1573 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 580 Wp of panels at 70°, versus 340 Wp at 21°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Farafangana
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.
2.9 mrow pitch at 70°
2.7 mrow pitch at 21°
How Farafangana compares in Madagascar
Against the other 105 places in Madagascar with climate data, for a fixed array at its best angle.
90thof 106 places in Madagascar for sunshine, shared: 5.09 peak sun hours a day on flat ground.
−8%solar energy a year compared with the average place in Madagascar: 1,574 against 1,713 kWh per kWp.
+16 mindaylight on the longest day, compared with Antananarivo: 13 h 32 min against 13 h 16 min.
21°best year-round tilt here; across Madagascar it runs from 13° in Antsiranana to 25° in Ampanihy.
Of the 106 places in Madagascar, Beroroha and one other place get the most sun (6.17 peak sun hours a day) and Soanierana Ivongo the least (4.90); Farafangana ranks joint 90th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 2.03 kWh a day here, against 1.78 kWh on average in Madagascar. The shortest day lasts 10 h 44 min, −16 min compared with Antananarivo.
Solar forecast for Farafangana, 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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Places near Farafangana
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A free, live card for Farafangana: 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.