Buenos Aires · Argentina · 36.01° S · 59.10° W
Solar position in Las Flores
Sun position, daylight and the best solar panel angle for Las Flores — computed for 36.01° S, 59.10° W, 39 m above sea level.
The sun right now
Sun in Las Flores today
Saturday, 24 October 2026 · local time UTC−3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:29 | sun 18° below horizon |
| Nautical dawn | 05:02 | 12° below |
| Civil dawn | 05:34 | 6° below |
| Sunrise | 06:01 | 105° ESE |
| Golden hour ends | 06:36 | sun 6° up |
| Solar noon | 12:40 | 65.9° high |
| Golden hour starts | 18:45 | sun 6° up |
| Sunset | 19:20 | 254° WSW |
| Civil dusk | 19:47 | 6° below |
| Nautical dusk | 20:19 | 12° below |
| Astronomical dusk | 20:52 | 18° below |
| Day length | 13 h 19 min | |
Sun path diagram for Las Flores
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 30.6° at solar noon in Las Flores; on the December solstice only 77.4°. Sunrise swings from 61° ENE in June to 120° ESE in December — a 59° 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 | 06:02 | 13:07 | 20:12 | 14 h 11 min | 73.8° |
| February | 06:34 | 13:09 | 19:44 | 13 h 10 min | 64.4° |
| March | 07:00 | 13:03 | 19:06 | 12 h 06 min | 53.6° |
| April | 07:26 | 12:54 | 18:23 | 10 h 57 min | 42.0° |
| May | 07:50 | 12:52 | 17:55 | 10 h 04 min | 33.7° |
| June | 08:06 | 12:58 | 17:49 | 9 h 43 min | 30.6° |
| July | 08:01 | 13:03 | 18:04 | 10 h 04 min | 33.6° |
| August | 07:30 | 12:59 | 18:28 | 10 h 58 min | 42.0° |
| September | 06:47 | 12:49 | 18:52 | 12 h 05 min | 53.5° |
| October | 06:05 | 12:41 | 19:17 | 13 h 12 min | 64.8° |
| November | 05:36 | 12:42 | 19:48 | 14 h 12 min | 74.0° |
| December | 05:36 | 12:54 | 20:12 | 14 h 37 min | 77.4° |
A year of daylight in Las Flores
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 Las Flores
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
31°collects the most energy over a year: 1609 kWh per kWp.
59°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° | 1409 | 88% | 1.75 | 3.5× |
| 15° | 1555 | 97% | 2.41 | 2.5× |
| 30° | 1609 | 100% | 2.93 | 1.9× |
| 31° year-round best | 1609 | 100% | 2.96 | 1.9× |
| 36° = latitude | 1604 | 100% | 3.09 | 1.7× |
| 45° | 1568 | 97% | 3.26 | 1.5× |
| 59° off-grid best | 1447 | 90% | 3.38 | 1.3× |
| 60° | 1435 | 89% | 3.38 | 1.3× |
| 70° | 1301 | 81% | 3.35 | 1.3× |
| 90° | 949 | 59% | 2.99 | 2.1× |
A fixed array in Las Flores produces the most over a year at 31°. The design month for an off-grid system is June: at 59° it makes 3.38 kWh per kWp a day, 14% more than at 31°, and costs 10% of the yearly total. Why steep panels win winter.
Off-grid solar in Las Flores at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 31° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 31° | Mean temp. |
|---|---|---|---|---|---|
| January | 7.26 | 3.89 | 3.19 | 5.43 | 23.9 °C |
| February | 6.33 | 4.40 | 3.64 | 5.24 | 22.6 °C |
| March | 5.09 | 4.76 | 3.98 | 4.82 | 19.6 °C |
| April | 3.76 | 4.81 | 4.10 | 4.22 | 15.4 °C |
| May | 2.62 | 4.09 | 3.54 | 3.30 | 11.6 °C |
| June | 2.17 | 3.82 | 3.35 | 2.96 | 8.2 °C |
| July | 2.29 | 3.75 | 3.30 | 3.00 | 7.5 °C |
| August | 3.16 | 4.32 | 3.77 | 3.73 | 9.5 °C |
| September | 4.33 | 4.49 | 3.88 | 4.41 | 11.7 °C |
| October | 5.49 | 4.27 | 3.63 | 4.88 | 15.1 °C |
| November | 6.86 | 3.98 | 3.32 | 5.39 | 18.8 °C |
| December | 7.62 | 3.77 | 3.11 | 5.58 | 22.1 °C |
| Year | 4.74 avg | 4.19 avg | 1301 kWh | 1609 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 380 Wp of panels at 70°, versus 400 Wp at 31°. The steep array is 5% smaller for the same winter. Size your own system.
Row spacing in Las Flores
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.
4.3 mrow pitch at 70°
3.7 mrow pitch at 31°
How Las Flores compares in Argentina
Against the other 313 places in Argentina with climate data, for a fixed array at its best angle.
274thof 314 places in Argentina for sunshine, shared: 4.74 peak sun hours a day on flat ground.
−2%solar energy a year compared with the average place in Argentina: 1,609 against 1,639 kWh per kWp.
+8 mindaylight on the longest day, compared with Buenos Aires: 14 h 37 min against 14 h 29 min.
31°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); Las Flores ranks joint 274th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 3.11 kWh a day here, against 2.68 kWh on average in Argentina. The shortest day lasts 9 h 43 min, −7 min compared with Buenos Aires.
Solar forecast for Las Flores, 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 Las Flores
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Places near Las Flores
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A free, live card for Las Flores: 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.