Artibonite · Haiti · 19.11° N · 72.70° W
Solar position in Saint-Marc
Sun position, daylight and the best solar panel angle for Saint-Marc — computed for 19.11° N, 72.70° W, 0 m above sea level.
The sun right now
Sun in Saint-Marc today
Saturday, 24 October 2026 · local time UTC−4
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:34 | sun 18° below horizon |
| Nautical dawn | 05:59 | 12° below |
| Civil dawn | 06:25 | 6° below |
| Sunrise | 06:48 | 102° ESE |
| Golden hour ends | 07:17 | sun 6° up |
| Solar noon | 12:34 | 59.0° 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 | 19:35 | 18° below |
| Day length | 11 h 34 min | |
Sun path diagram for Saint-Marc
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 85.7° at solar noon in Saint-Marc; on the December solstice only 47.5°. 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 | 06:27 | 12:02 | 17:37 | 11 h 10 min | 51.1° |
| February | 06:15 | 12:04 | 17:53 | 11 h 38 min | 60.5° |
| March | 06:53 | 12:57 | 19:02 | 12 h 08 min | 71.3° |
| April | 06:29 | 12:49 | 19:10 | 12 h 41 min | 82.9° |
| May | 06:14 | 12:47 | 19:20 | 13 h 06 min | 88.8° |
| June | 06:14 | 12:52 | 19:31 | 13 h 17 min | 85.7° |
| July | 06:23 | 12:57 | 19:30 | 13 h 07 min | 88.7° |
| August | 06:33 | 12:53 | 19:14 | 12 h 41 min | 82.8° |
| September | 06:39 | 12:43 | 18:47 | 12 h 08 min | 71.4° |
| October | 06:46 | 12:35 | 18:23 | 11 h 37 min | 60.0° |
| November | 06:01 | 11:36 | 17:11 | 11 h 10 min | 50.9° |
| December | 06:19 | 11:48 | 17:18 | 10 h 59 min | 47.5° |
A year of daylight in Saint-Marc
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 Saint-Marc
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: 1713 kWh per kWp.
21°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° | 1634 | 95% | 3.61 | 1.5× |
| 15° | 1710 | 100% | 4.23 | 1.2× |
| 19° year-round best = latitude | 1713 | 100% | 4.35 | 1.2× |
| 21° off-grid best | 1712 | 100% | 4.41 | 1.1× |
| 30° | 1685 | 98% | 4.59 | 1.2× |
| 45° | 1563 | 91% | 4.67 | 1.5× |
| 60° | 1352 | 79% | 4.48 | 2.1× |
| 70° | 1173 | 68% | 4.19 | 2.7× |
| 90° | 795 | 46% | 3.28 | 3.8× |
A fixed array in Saint-Marc produces the most over a year at 19°. The design month for an off-grid system is November: at 21° it makes 4.41 kWh per kWp a day, 1% more than at 19°, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Saint-Marc 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 | 4.68 | 5.69 | 4.68 | 4.61 | 24.4 °C |
| February | 5.36 | 5.25 | 4.31 | 4.93 | 24.8 °C |
| March | 5.92 | 4.35 | 3.56 | 5.03 | 25.2 °C |
| April | 6.26 | 3.20 | 2.59 | 4.90 | 26.2 °C |
| May | 6.08 | 2.40 | 1.91 | 4.50 | 27.0 °C |
| June | 6.45 | 2.19 | 1.73 | 4.63 | 27.9 °C |
| July | 6.59 | 2.33 | 1.84 | 4.76 | 28.3 °C |
| August | 6.37 | 2.91 | 2.32 | 4.82 | 28.3 °C |
| September | 5.92 | 3.82 | 3.09 | 4.81 | 27.9 °C |
| October | 5.13 | 4.46 | 3.63 | 4.50 | 27.1 °C |
| November | 4.58 | 5.12 | 4.19 | 4.35 | 25.8 °C |
| December | 4.49 | 5.79 | 4.75 | 4.50 | 25.0 °C |
| Year | 5.65 avg | 3.95 avg | 1173 kWh | 1713 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 Saint-Marc
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 Saint-Marc compares in Haiti
Against the other 31 places in Haiti with climate data, for a fixed array at its best angle.
19thof 32 places in Haiti for sunshine: 5.65 peak sun hours a day on flat ground.
±0%solar energy a year compared with the average place in Haiti: 1,713 against 1,712 kWh per kWp.
+2 mindaylight on the longest day, compared with Port-au-Prince: 13 h 17 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); Saint-Marc ranks 19th. 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 10 h 59 min, −2 min compared with Port-au-Prince.
Solar forecast for Saint-Marc, 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 Saint-Marc
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Places near Saint-Marc
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A free, live card for Saint-Marc: 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.