Ouest · Haiti · 18.77° N · 72.51° W
Solar position in Arcahaie
Sun position, daylight and the best solar panel angle for Arcahaie — computed for 18.77° N, 72.51° W, 15 m above sea level.
The sun right now
Sun in Arcahaie today
Saturday, 24 October 2026 · local time UTC−4
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:33 | sun 18° below horizon |
| Nautical dawn | 05:59 | 12° below |
| Civil dawn | 06:24 | 6° below |
| Sunrise | 06:46 | 102° ESE |
| Golden hour ends | 07:16 | sun 6° up |
| Solar noon | 12:34 | 59.3° high |
| Golden hour starts | 17:51 | sun 6° up |
| Sunset | 18:21 | 258° WSW |
| Civil dusk | 18:43 | 6° below |
| Nautical dusk | 19:09 | 12° below |
| Astronomical dusk | 19:34 | 18° below |
| Day length | 11 h 34 min | |
Sun path diagram for Arcahaie
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 85.3° at solar noon in Arcahaie; on the December solstice only 47.8°. 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 | 06:25 | 12:01 | 17:37 | 11 h 11 min | 51.5° |
| February | 06:14 | 12:03 | 17:52 | 11 h 39 min | 60.9° |
| March | 06:53 | 12:57 | 19:01 | 12 h 08 min | 71.7° |
| April | 06:28 | 12:48 | 19:08 | 12 h 40 min | 83.3° |
| May | 06:14 | 12:46 | 19:19 | 13 h 05 min | 88.5° |
| June | 06:14 | 12:51 | 19:29 | 13 h 16 min | 85.3° |
| July | 06:23 | 12:56 | 19:29 | 13 h 06 min | 88.4° |
| August | 06:33 | 12:53 | 19:13 | 12 h 40 min | 83.2° |
| September | 06:38 | 12:42 | 18:47 | 12 h 08 min | 71.7° |
| October | 06:45 | 12:34 | 18:23 | 11 h 37 min | 60.4° |
| November | 06:00 | 11:35 | 17:11 | 11 h 11 min | 51.2° |
| December | 06:18 | 11:48 | 17:18 | 11 h 00 min | 47.8° |
A year of daylight in Arcahaie
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 Arcahaie
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
19°collects the most energy over a year: 1725 kWh per kWp.
20°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° | 1648 | 96% | 3.68 | 1.5× |
| 15° | 1722 | 100% | 4.31 | 1.2× |
| 19° year-round best = latitude | 1725 | 100% | 4.43 | 1.1× |
| 20° off-grid best | 1724 | 100% | 4.46 | 1.1× |
| 30° | 1696 | 98% | 4.67 | 1.2× |
| 45° | 1571 | 91% | 4.75 | 1.5× |
| 60° | 1358 | 79% | 4.54 | 2.1× |
| 70° | 1177 | 68% | 4.25 | 2.8× |
| 90° | 798 | 46% | 3.32 | 3.7× |
A fixed array in Arcahaie produces the most over a year at 19°. The design month for an off-grid system is November: at 20° it makes 4.46 kWh per kWp a day, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Arcahaie 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 | 4.77 | 5.75 | 4.72 | 4.68 | 24.8 °C |
| February | 5.40 | 5.23 | 4.29 | 4.93 | 25.2 °C |
| March | 5.98 | 4.37 | 3.57 | 5.06 | 25.6 °C |
| April | 6.31 | 3.22 | 2.60 | 4.92 | 26.6 °C |
| May | 6.12 | 2.40 | 1.91 | 4.51 | 27.3 °C |
| June | 6.48 | 2.19 | 1.73 | 4.64 | 28.1 °C |
| July | 6.62 | 2.32 | 1.84 | 4.77 | 28.6 °C |
| August | 6.40 | 2.90 | 2.32 | 4.83 | 28.6 °C |
| September | 5.98 | 3.83 | 3.09 | 4.84 | 28.2 °C |
| October | 5.20 | 4.49 | 3.64 | 4.54 | 27.4 °C |
| November | 4.68 | 5.20 | 4.25 | 4.43 | 26.2 °C |
| December | 4.57 | 5.85 | 4.79 | 4.56 | 25.4 °C |
| Year | 5.71 avg | 3.97 avg | 1177 kWh | 1725 kWh |
Sizing example. To run a 1 kWh-per-day load through June on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 680 Wp of panels at 70°, versus 270 Wp at 19°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Arcahaie
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 Arcahaie compares in Haiti
Against the other 31 places in Haiti with climate data, for a fixed array at its best angle.
11thof 32 places in Haiti for sunshine: 5.71 peak sun hours a day on flat ground.
+1%solar energy a year compared with the average place in Haiti: 1,725 against 1,712 kWh per kWp.
+1 mindaylight on the longest day, compared with Port-au-Prince: 13 h 16 min against 13 h 15 min.
19°best year-round tilt here; across Haiti it runs from 18° in Port-au-Prince to 19° in Port-de-Paix.
Of the 32 places in Haiti, Jacmel gets the most sun (5.80 peak sun hours a day) and Terrier Rouge and one other place the least (5.52); Arcahaie ranks 11th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.73 kWh a day here, against 1.73 kWh on average in Haiti. The shortest day lasts 11 h 00 min, −1 min compared with Port-au-Prince.
Solar forecast for Arcahaie, 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 Arcahaie
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Places near Arcahaie
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A free, live card for Arcahaie: 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.