Vakinankaratra · Madagascar · 19.38° S · 47.42° E
Solar position in Ambatolampy
Sun position, daylight and the best solar panel angle for Ambatolampy — computed for 19.38° S, 47.42° E, 1586 m above sea level.
The sun right now
Sun in Ambatolampy today
Saturday, 24 October 2026 · local time UTC+3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 03:58 | sun 18° below horizon |
| Nautical dawn | 04:25 | 12° below |
| Civil dawn | 04:51 | 6° below |
| Sunrise | 05:14 | 103° ESE |
| Golden hour ends | 05:43 | sun 6° up |
| Solar noon | 11:34 | 82.4° high |
| Golden hour starts | 17:25 | sun 6° up |
| Sunset | 17:55 | 257° WSW |
| Civil dusk | 18:17 | 6° below |
| Nautical dusk | 18:44 | 12° below |
| Astronomical dusk | 19:11 | 18° below |
| Day length | 12 h 41 min | |
Sun path diagram for Ambatolampy
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 47.2° at solar noon in Ambatolampy; on the December solstice only 85.9°. 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 | 05:28 | 12:01 | 18:34 | 13 h 06 min | 89.5° |
| February | 05:45 | 12:03 | 18:22 | 12 h 37 min | 81.1° |
| March | 05:54 | 11:57 | 18:00 | 12 h 06 min | 70.3° |
| April | 06:02 | 11:48 | 17:35 | 11 h 33 min | 58.7° |
| May | 06:12 | 11:46 | 17:20 | 11 h 08 min | 50.4° |
| June | 06:23 | 11:52 | 17:20 | 10 h 58 min | 47.2° |
| July | 06:23 | 11:56 | 17:30 | 11 h 07 min | 50.2° |
| August | 06:07 | 11:53 | 17:39 | 11 h 33 min | 58.6° |
| September | 05:41 | 11:43 | 17:46 | 12 h 05 min | 70.0° |
| October | 05:16 | 11:35 | 17:54 | 12 h 38 min | 81.4° |
| November | 05:03 | 11:36 | 18:09 | 13 h 06 min | 89.4° |
| December | 05:09 | 11:48 | 18:27 | 13 h 18 min | 85.9° |
A year of daylight in Ambatolampy
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 Ambatolampy
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
19°collects the most energy over a year: 1729 kWh per kWp.
23°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° | 1645 | 95% | 3.33 | 1.6× |
| 15° | 1724 | 100% | 4.04 | 1.3× |
| 19° year-round best = latitude | 1729 | 100% | 4.19 | 1.3× |
| 23° off-grid best | 1726 | 100% | 4.32 | 1.3× |
| 30° | 1704 | 99% | 4.50 | 1.3× |
| 45° | 1586 | 92% | 4.69 | 1.5× |
| 60° | 1380 | 80% | 4.59 | 2.0× |
| 70° | 1203 | 70% | 4.36 | 2.5× |
| 90° | 824 | 48% | 3.56 | 3.4× |
A fixed array in Ambatolampy produces the most over a year at 19°. The design month for an off-grid system is June: at 23° it makes 4.32 kWh per kWp a day, 3% more than at 19°, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Ambatolampy at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 19° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 19° | Mean temp. |
|---|---|---|---|---|---|
| January | 5.89 | 2.35 | 1.93 | 4.45 | 19.0 °C |
| February | 5.86 | 2.93 | 2.44 | 4.65 | 18.9 °C |
| March | 5.58 | 3.71 | 3.11 | 4.71 | 18.5 °C |
| April | 5.19 | 4.66 | 3.94 | 4.77 | 17.2 °C |
| May | 4.45 | 5.01 | 4.27 | 4.41 | 15.3 °C |
| June | 4.04 | 5.06 | 4.36 | 4.19 | 13.1 °C |
| July | 4.20 | 5.03 | 4.35 | 4.30 | 12.3 °C |
| August | 5.05 | 5.12 | 4.41 | 4.90 | 13.0 °C |
| September | 6.03 | 4.59 | 3.92 | 5.39 | 14.8 °C |
| October | 6.48 | 3.45 | 2.90 | 5.30 | 17.2 °C |
| November | 6.56 | 2.51 | 2.08 | 5.00 | 18.6 °C |
| December | 6.43 | 2.18 | 1.79 | 4.75 | 19.2 °C |
| Year | 5.48 avg | 3.89 avg | 1203 kWh | 1729 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 660 Wp of panels at 70°, versus 280 Wp at 19°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Ambatolampy
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 19°
How Ambatolampy compares in Madagascar
Against the other 105 places in Madagascar with climate data, for a fixed array at its best angle.
60thof 106 places in Madagascar for sunshine, shared: 5.48 peak sun hours a day on flat ground.
+1%solar energy a year compared with the average place in Madagascar: 1,729 against 1,713 kWh per kWp.
+2 mindaylight on the longest day, compared with Antananarivo: 13 h 18 min against 13 h 16 min.
19°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); Ambatolampy ranks joint 60th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.79 kWh a day here, against 1.78 kWh on average in Madagascar. The shortest day lasts 10 h 58 min, −2 min compared with Antananarivo.
Solar forecast for Ambatolampy, 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 Ambatolampy: 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.