Solarposition.org

Northern Province · Sri Lanka · 9.82° N · 80.17° E

Solar position in Valvedditturai

Sun position, daylight and the best solar panel angle for Valvedditturai — computed for 9.82° N, 80.17° E, 10 m above sea level.

Sunrise today05:58102° ESE
Sunset today17:48258° WSW
Best panel angle8°year-round, facing south
Off-grid angle26°best for the darkest month

The sun right now

Azimuth180.0°
Elevation68.1°
At solar noon, 11:53Open on the sun map

Sun in Valvedditturai today

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

EventTimeDirection / height
Astronomical dawn04:47sun 18° below horizon
Nautical dawn05:1212° below
Civil dawn05:376° below
Sunrise05:58102° ESE
Golden hour ends06:26sun 6° up
Solar noon11:5368.1° high
Golden hour starts17:19sun 6° up
Sunset17:48258° WSW
Civil dusk18:096° below
Nautical dusk18:3412° below
Astronomical dusk18:5918° below
Day length11 h 50 min

Sun path diagram for Valvedditturai

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 solstice6789101112131415161718EquinoxDecember solstice7891011121314151617Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 76.4° at solar noon in Valvedditturai; on the December solstice only 56.8°. 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
January06:3112:2018:0911 h 39 min60.3°
February06:2612:2318:1911 h 52 min69.7°
March06:1312:1618:2012 h 07 min80.4°
April05:5612:0818:1912 h 23 min87.9°
May05:4712:0518:2412 h 36 min79.6°
June05:5012:1118:3212 h 42 min76.4°
July05:5712:1518:3412 h 37 min79.4°
August06:0012:1218:2412 h 24 min87.7°
September05:5812:0218:0612 h 07 min80.9°
October05:5811:5317:4911 h 52 min69.5°
November06:0511:5517:4411 h 39 min60.3°
December06:2012:0717:5311 h 33 min56.8°

A year of daylight in Valvedditturai

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 Valvedditturai

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

8°collects the most energy over a year: 1593 kWh per kWp.

26°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 8°Best worst-month 26°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearNovember kWh/kWp/dayBest ÷ worst month
0°157999%3.301.5×
8° year-round best1593100%3.481.5×
10° = latitude1592100%3.511.5×
15°158499%3.581.4×
26° off-grid best153196%3.661.4×
30°150094%3.671.4×
45°133584%3.561.8×
60°110269%3.252.4×
70°92358%2.953.1×
90°61839%2.152.9×

A fixed array in Valvedditturai produces the most over a year at 8°. The design month for an off-grid system is November: at 26° it makes 3.66 kWh per kWp a day, 5% more than at 8°, and costs 4% of the yearly total. Why steep panels win winter.

Off-grid solar in Valvedditturai at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 8° (year-round best).

0123456January: 3.92 (70°)3.9JanFebruary: 3.83 (70°)3.8FebMarch: 3.13 (70°)3.1MarApril: 2.05 (70°)2.0AprMay: 1.47 (70°)1.5MayJune: 1.28 (70°)1.3JunJuly: 1.39 (70°)1.4JulAugust: 1.77 (70°)1.8AugSeptember: 2.48 (70°)2.5SepOctober: 2.92 (70°)2.9OctNovember: 2.95 (70°)2.9NovDecember: 3.26 (70°)3.3Dec8°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 8°Mean temp.
January5.044.793.924.2725.8 °C
February5.894.693.834.8826.6 °C
March6.423.873.135.1528.3 °C
April6.322.582.054.9029.7 °C
May5.891.881.474.4629.8 °C
June5.821.651.284.3729.4 °C
July5.641.781.394.2729.1 °C
August5.792.241.774.4628.8 °C
September5.773.102.484.5628.6 °C
October5.053.612.924.1028.2 °C
November4.203.642.953.4827.2 °C
December4.164.003.263.5126.3 °C
Year5.50 avg3.14 avg923 kWh1593 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 920 Wp of panels at 70°, versus 340 Wp at 8°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Valvedditturai

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.

2.1 mrow pitch at 70°

2.2 mrow pitch at 8°

Row spacing calculator

How Valvedditturai compares in Sri Lanka

Against the other 59 places in Sri Lanka with climate data, for a fixed array at its best angle.

4thof 60 places in Sri Lanka for sunshine, shared: 5.50 peak sun hours a day on flat ground.

+2%solar energy a year compared with the average place in Sri Lanka: 1,593 against 1,564 kWh per kWp.

+10 mindaylight on the longest day, compared with Colombo: 12 h 42 min against 12 h 32 min.

8°best year-round tilt here; across Sri Lanka it runs from 4° in Ampara to 8° in Jaffna.

Of the 60 places in Sri Lanka, Chilaw gets the most sun (5.56 peak sun hours a day) and Ratnapura the least (5.12); Valvedditturai ranks joint 4th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.28 kWh a day here, against 1.22 kWh on average in Sri Lanka. The shortest day lasts 11 h 33 min, −10 min compared with Colombo.

The sunniest places in Sri Lanka

Solar forecast for Valvedditturai, 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 Valvedditturai

What is the best solar panel angle in Valvedditturai?
For a fixed array facing south, the best year-round tilt in Valvedditturai is 8°, worth about 1593 kWh per kWp a year. An off-grid system that has to get through November does better at about 26°.
What time is sunrise and sunset in Valvedditturai today?
On 25 October 2026 the sun rises at 05:58 and sets at 17:48 local time (UTC+5:30), giving 11 h 50 min of daylight. Solar noon is at 11:53.
How many peak sun hours does Valvedditturai get?
On a flat surface 5.5 hours a day averaged over the year, from 4.2 in December to 6.4 in March. Panels tilted at 70° receive 1.6 sun hours a day in June.
How high does the sun get in Valvedditturai?
At solar noon the sun stands 76.4° above the horizon on the June solstice and 56.8° on the December solstice.
Is Valvedditturai a good place for solar panels?
With 5.5 peak sun hours a day on flat ground, Valvedditturai ranks joint 4th of 60 places in Sri Lanka for sunshine. A 1 kWp array at the best angle (8°) makes about 1,593 kWh a year here, 2% more than the average place in Sri Lanka.

Places near Valvedditturai

All places in Sri Lanka

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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.