Buenos Aires · Argentina · 37.83° S · 57.51° W
Solar position in Santa Clara del Mar
Sun position, daylight and the best solar panel angle for Santa Clara del Mar — computed for 37.83° S, 57.51° W, 10 m above sea level.
The sun right now
Sun in Santa Clara del Mar today
Saturday, 24 October 2026 · local time UTC−3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:17 | sun 18° below horizon |
| Nautical dawn | 04:52 | 12° below |
| Civil dawn | 05:25 | 6° below |
| Sunrise | 05:52 | 106° ESE |
| Golden hour ends | 06:28 | sun 6° up |
| Solar noon | 12:34 | 64.1° high |
| Golden hour starts | 18:40 | sun 6° up |
| Sunset | 19:16 | 254° WSW |
| Civil dusk | 19:44 | 6° below |
| Nautical dusk | 20:17 | 12° below |
| Astronomical dusk | 20:51 | 18° below |
| Day length | 13 h 24 min | |
Sun path diagram for Santa Clara del Mar
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 28.8° at solar noon in Santa Clara del Mar; on the December solstice only 75.6°. Sunrise swings from 61° ENE in June to 121° ESE in December — a 60° 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 | 05:51 | 13:01 | 20:10 | 14 h 19 min | 72.0° |
| February | 06:26 | 13:03 | 19:40 | 13 h 14 min | 62.6° |
| March | 06:53 | 12:56 | 18:59 | 12 h 06 min | 51.8° |
| April | 07:22 | 12:48 | 18:14 | 10 h 53 min | 40.2° |
| May | 07:48 | 12:46 | 17:44 | 9 h 56 min | 31.9° |
| June | 08:05 | 12:51 | 17:38 | 9 h 32 min | 28.8° |
| July | 07:59 | 12:56 | 17:54 | 9 h 55 min | 31.8° |
| August | 07:26 | 12:53 | 18:19 | 10 h 53 min | 40.2° |
| September | 06:40 | 12:43 | 18:45 | 12 h 05 min | 51.7° |
| October | 05:56 | 12:34 | 19:13 | 13 h 17 min | 63.0° |
| November | 05:25 | 12:35 | 19:46 | 14 h 21 min | 72.2° |
| December | 05:24 | 12:48 | 20:11 | 14 h 47 min | 75.6° |
A year of daylight in Santa Clara del Mar
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 Santa Clara del Mar
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
32°collects the most energy over a year: 1567 kWh per kWp.
62°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° | 1362 | 87% | 1.53 | 4.0× |
| 15° | 1509 | 96% | 2.14 | 2.8× |
| 30° | 1566 | 100% | 2.61 | 2.2× |
| 32° year-round best | 1567 | 100% | 2.66 | 2.1× |
| 38° = latitude | 1559 | 99% | 2.80 | 1.9× |
| 45° | 1531 | 98% | 2.92 | 1.7× |
| 60° | 1408 | 90% | 3.04 | 1.4× |
| 62° off-grid best | 1385 | 88% | 3.05 | 1.4× |
| 70° | 1280 | 82% | 3.02 | 1.3× |
| 90° | 941 | 60% | 2.72 | 1.9× |
A fixed array in Santa Clara del Mar produces the most over a year at 32°. The design month for an off-grid system is June: at 62° it makes 3.05 kWh per kWp a day, 14% more than at 32°, and costs 12% of the yearly total. Why steep panels win winter.
Off-grid solar in Santa Clara del Mar at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 32° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 32° | Mean temp. |
|---|---|---|---|---|---|
| January | 7.22 | 4.03 | 3.34 | 5.50 | 20.9 °C |
| February | 6.20 | 4.48 | 3.73 | 5.24 | 20.7 °C |
| March | 4.89 | 4.74 | 3.98 | 4.73 | 18.8 °C |
| April | 3.53 | 4.64 | 3.96 | 4.02 | 15.5 °C |
| May | 2.40 | 3.85 | 3.32 | 3.07 | 12.4 °C |
| June | 1.92 | 3.46 | 3.02 | 2.66 | 9.5 °C |
| July | 2.07 | 3.47 | 3.04 | 2.75 | 8.3 °C |
| August | 2.88 | 4.00 | 3.50 | 3.44 | 9.2 °C |
| September | 4.13 | 4.43 | 3.85 | 4.31 | 10.4 °C |
| October | 5.39 | 4.34 | 3.72 | 4.89 | 13.0 °C |
| November | 6.72 | 4.06 | 3.43 | 5.38 | 16.0 °C |
| December | 7.48 | 3.88 | 3.24 | 5.58 | 19.1 °C |
| Year | 4.56 avg | 4.11 avg | 1280 kWh | 1567 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 390 Wp of panels at 70°, versus 440 Wp at 32°. The steep array is 12% smaller for the same winter. Size your own system.
Row spacing in Santa Clara del Mar
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.
4.6 mrow pitch at 70°
3.9 mrow pitch at 32°
How Santa Clara del Mar compares in Argentina
Against the other 313 places in Argentina with climate data, for a fixed array at its best angle.
299thof 314 places in Argentina for sunshine, shared: 4.56 peak sun hours a day on flat ground.
−4%solar energy a year compared with the average place in Argentina: 1,567 against 1,639 kWh per kWp.
+19 mindaylight on the longest day, compared with Buenos Aires: 14 h 47 min against 14 h 29 min.
32°best year-round tilt here; across Argentina it runs from 21° in Tartagal to 44° in Río Gallegos.
Of the 314 places in Argentina, Belén gets the most sun (6.11 peak sun hours a day) and Ushuaia the least (2.59); Santa Clara del Mar ranks joint 299th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 3.02 kWh a day here, against 2.68 kWh on average in Argentina. The shortest day lasts 9 h 32 min, −18 min compared with Buenos Aires.
Solar forecast for Santa Clara del Mar, 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 Santa Clara del Mar
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Places near Santa Clara del Mar
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A free, live card for Santa Clara del Mar: 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.