Solarposition.org

Tamil Nadu · India · 11.36° N · 77.69° E

Solar position in Periya Semūr

Sun position, daylight and the best solar panel angle for Periya Semūr — computed for 11.36° N, 77.69° E, 182 m above sea level.

Sunrise today06:09102° ESE
Sunset today17:56258° WSW
Best panel angle12°year-round, facing south
Off-grid angle11°best for the darkest month

The sun right now

Azimuth180.0°
Elevation66.5°
At solar noon, 12:03Open on the sun map

Sun in Periya Semūr today

Sunday, 25 October 2026 · local time UTC+5:30

EventTimeDirection / height
Astronomical dawn04:58sun 18° below horizon
Nautical dawn05:2312° below
Civil dawn05:486° below
Sunrise06:09102° ESE
Golden hour ends06:38sun 6° up
Solar noon12:0366.5° high
Golden hour starts17:28sun 6° up
Sunset17:56258° WSW
Civil dusk18:186° below
Nautical dusk18:4312° below
Astronomical dusk19:0818° below
Day length11 h 47 min

Sun path diagram for Periya Semūr

Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.

15°30°45°60°75°N30°60°E120°150°S210°240°W300°330°June solstice789101112131415161718EquinoxDecember solstice7891011121314151617Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 77.9° at solar noon in Periya Semūr; on the December solstice only 55.2°. Sunrise swings from 66° ENE in June to 114° ESE in December — a 48° 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.

MonthSunriseSolar noonSunsetDay lengthNoon elevation
January06:4312:3018:1711 h 34 min58.8°
February06:3812:3218:2711 h 50 min68.1°
March06:2212:2618:3012 h 07 min78.9°
April06:0412:1718:3112 h 26 min89.5°
May05:5512:1518:3612 h 41 min81.2°
June05:5712:2118:4412 h 48 min77.9°
July06:0412:2518:4612 h 42 min80.9°
August06:0912:2218:3512 h 27 min89.3°
September06:0812:1218:1612 h 08 min79.3°
October06:0912:0317:5811 h 49 min67.9°
November06:1812:0417:5111 h 34 min58.7°
December06:3312:1718:0111 h 28 min55.2°

A year of daylight in Periya Semūr

Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.

00:0003:0006:0009:0012:0015:0018:0021:0000:00JanFebMarAprMayJunJulAugSepOctNovDec

Best solar panel angle in Periya Semūr

Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.

12°collects the most energy over a year: 1608 kWh per kWp.

11°gives the most in the darkest month — the one an off-grid system is sized for.

20%30%40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 12°Best worst-month 11°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearJuly kWh/kWp/dayBest ÷ worst month
0°158198%4.021.4×
11° off-grid best = latitude1608100%3.841.4×
12° year-round best1608100%3.811.4×
15°1606100%3.741.4×
30°154296%3.281.6×
45°139487%2.662.0×
60°117373%1.942.5×
70°99762%1.483.2×
90°67542%1.153.1×

A fixed array in Periya Semūr produces the most over a year at 12°. The design month for an off-grid system is July: at 11° it makes 3.84 kWh per kWp a day, and costs 0% of the yearly total. Why steep panels win winter.

Off-grid solar in Periya Semūr at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 12° (year-round best).

0123456January: 4.41 (70°)4.4JanFebruary: 4.18 (70°)4.2FebMarch: 3.26 (70°)3.3MarApril: 2.20 (70°)2.2AprMay: 1.54 (70°)1.5MayJune: 1.39 (70°)1.4JunJuly: 1.48 (70°)1.5JulAugust: 1.80 (70°)1.8AugSeptember: 2.51 (70°)2.5SepOctober: 3.00 (70°)3.0OctNovember: 3.32 (70°)3.3NovDecember: 3.81 (70°)3.8Dec12°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 12°Mean temp.
January5.335.344.414.7423.4 °C
February6.155.114.185.2425.7 °C
March6.484.043.265.2228.8 °C
April6.422.772.204.9230.5 °C
May6.061.961.544.5129.2 °C
June5.431.771.394.0427.4 °C
July5.081.871.483.8126.9 °C
August5.222.261.804.0226.7 °C
September5.513.102.514.3926.5 °C
October5.003.673.004.1525.5 °C
November4.474.033.323.8723.7 °C
December4.534.593.814.0322.8 °C
Year5.47 avg3.37 avg997 kWh1608 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 850 Wp of panels at 70°, versus 310 Wp at 12°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Periya Semūr

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.

2.2 mrow pitch at 70°

2.3 mrow pitch at 12°

Row spacing calculator

How Periya Semūr compares in India

Against the other 3,734 places in India with climate data, for a fixed array at its best angle.

290thof 3,735 places in India for sunshine, shared: 5.47 peak sun hours a day on flat ground.

+2%solar energy a year compared with the average place in India: 1,608 against 1,575 kWh per kWp.

−29 mindaylight on the longest day, compared with Mumbai: 12 h 48 min against 13 h 17 min.

12°best year-round tilt here; across India it runs from 8° in Tirunelveli to 33° in Leh.

Of the 3,735 places in India, Balotra gets the most sun (5.73 peak sun hours a day) and Jining the least (3.68); Periya Semūr ranks joint 290th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.39 kWh a day here, against 1.70 kWh on average in India. The shortest day lasts 11 h 28 min, +29 min compared with Mumbai.

The sunniest places in India

Solar forecast for Periya Semūr, next 48 hours

Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.

Loading the latest forecast…

Questions about the sun in Periya Semūr

What is the best solar panel angle in Periya Semūr?
For a fixed array facing south, the best year-round tilt in Periya Semūr is 12°, worth about 1608 kWh per kWp a year. An off-grid system that has to get through July does better at about 11°.
What time is sunrise and sunset in Periya Semūr today?
On 25 October 2026 the sun rises at 06:09 and sets at 17:56 local time (UTC+5:30), giving 11 h 47 min of daylight. Solar noon is at 12:03.
How many peak sun hours does Periya Semūr get?
On a flat surface 5.5 hours a day averaged over the year, from 4.5 in November to 6.5 in March. Panels tilted at 70° receive 1.8 sun hours a day in June.
How high does the sun get in Periya Semūr?
At solar noon the sun stands 77.9° above the horizon on the June solstice and 55.2° on the December solstice.
Is Periya Semūr a good place for solar panels?
With 5.5 peak sun hours a day on flat ground, Periya Semūr ranks joint 290th of 3,735 places in India for sunshine. A 1 kWp array at the best angle (12°) makes about 1,608 kWh a year here, 2% more than the average place in India.

Places near Periya Semūr

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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.