Solarposition.org

Narathiwat · Thailand · 6.03° N · 101.97° E

Solar position in Su-ngai Kolok

Sun position, daylight and the best solar panel angle for Su-ngai Kolok — computed for 6.03° N, 101.97° E, 19 m above sea level.

Sunrise today05:58102° ESE
Sunset today17:54258° WSW
Best panel angle4°year-round, facing south
Off-grid angle24°best for the darkest month

The sun right now

Azimuth180.0°
Elevation71.9°
At solar noon, 11:56Open on the sun map

Sun in Su-ngai Kolok today

Sunday, 25 October 2026 · local time UTC+7

EventTimeDirection / height
Astronomical dawn04:47sun 18° below horizon
Nautical dawn05:1212° below
Civil dawn05:366° below
Sunrise05:58102° ESE
Golden hour ends06:26sun 6° up
Solar noon11:5671.9° high
Golden hour starts17:26sun 6° up
Sunset17:54258° WSW
Civil dusk18:156° below
Nautical dusk18:4012° below
Astronomical dusk19:0418° below
Day length11 h 56 min

Sun path diagram for Su-ngai Kolok

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 72.6° at solar noon in Su-ngai Kolok; on the December solstice only 60.5°. Sunrise swings from 66° ENE in June to 113° ESE in December — a 47° 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
January06:2812:2318:1811 h 50 min64.1°
February06:2612:2518:2411 h 58 min73.4°
March06:1612:1918:2212 h 07 min84.2°
April06:0212:1018:1912 h 17 min84.2°
May05:5612:0818:2112 h 25 min75.8°
June05:5912:1318:2812 h 28 min72.6°
July06:0512:1818:3112 h 25 min75.6°
August06:0612:1518:2312 h 17 min83.9°
September06:0112:0518:0812 h 07 min84.7°
October05:5711:5617:5511 h 58 min73.3°
November06:0311:5717:5211 h 50 min64.1°
December06:1612:1018:0311 h 47 min60.5°

A year of daylight in Su-ngai Kolok

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 Su-ngai Kolok

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

4°collects the most energy over a year: 1436 kWh per kWp.

24°gives the most in the darkest month — the one an off-grid system is sized for.

30%40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 4°Best worst-month 24°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°1433100%2.971.6×
4° year-round best1436100%3.051.5×
6° = latitude1435100%3.081.5×
15°141699%3.211.4×
24° off-grid best136995%3.271.4×
30°132492%3.281.5×
45°116381%3.171.8×
60°94966%2.912.3×
70°79255%2.652.7×
90°54338%1.972.1×

A fixed array in Su-ngai Kolok produces the most over a year at 4°. The design month for an off-grid system is December: at 24° it makes 3.27 kWh per kWp a day, 7% more than at 4°, and costs 5% of the yearly total. Why steep panels win winter.

Off-grid solar in Su-ngai Kolok at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 4° (year-round best).

012345January: 3.11 (70°)3.1JanFebruary: 3.27 (70°)3.3FebMarch: 2.67 (70°)2.7MarApril: 1.80 (70°)1.8AprMay: 1.33 (70°)1.3MayJune: 1.23 (70°)1.2JunJuly: 1.27 (70°)1.3JulAugust: 1.58 (70°)1.6AugSeptember: 2.13 (70°)2.1SepOctober: 2.50 (70°)2.5OctNovember: 2.60 (70°)2.6NovDecember: 2.65 (70°)2.7Dec4°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 4°Mean temp.
January4.433.793.113.6224.5 °C
February5.443.983.274.4224.8 °C
March5.803.282.674.6525.7 °C
April5.792.261.804.5626.8 °C
May5.251.691.334.0927.1 °C
June5.061.571.233.9226.8 °C
July5.041.611.273.9226.5 °C
August5.181.991.584.0726.4 °C
September5.072.652.134.0226.3 °C
October4.593.082.503.6926.0 °C
November4.003.192.603.2325.6 °C
December3.753.252.653.0525.0 °C
Year4.95 avg2.69 avg792 kWh1436 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 960 Wp of panels at 70°, versus 390 Wp at 4°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Su-ngai Kolok

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.

1.9 mrow pitch at 70°

2.1 mrow pitch at 4°

Row spacing calculator

How Su-ngai Kolok compares in Thailand

Against the other 294 places in Thailand with climate data, for a fixed array at its best angle.

245thof 295 places in Thailand for sunshine, shared: 4.95 peak sun hours a day on flat ground.

−5%solar energy a year compared with the average place in Thailand: 1,436 against 1,509 kWh per kWp.

−28 mindaylight on the longest day, compared with Bangkok: 12 h 28 min against 12 h 56 min.

4°best year-round tilt here; across Thailand it runs from 4° in Narathiwat to 23° in Mae Chan.

Of the 295 places in Thailand, Bangkok and 7 other places get the most sun (5.23 peak sun hours a day) and Mae Ramat the least (4.74); Su-ngai Kolok ranks joint 245th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.23 kWh a day here, against 1.53 kWh on average in Thailand. The shortest day lasts 11 h 47 min, +28 min compared with Bangkok.

The sunniest places in Thailand

Solar forecast for Su-ngai Kolok, 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 Su-ngai Kolok

What is the best solar panel angle in Su-ngai Kolok?
For a fixed array facing south, the best year-round tilt in Su-ngai Kolok is 4°, worth about 1436 kWh per kWp a year. An off-grid system that has to get through December does better at about 24°.
What time is sunrise and sunset in Su-ngai Kolok today?
On 25 October 2026 the sun rises at 05:58 and sets at 17:54 local time (UTC+7), giving 11 h 56 min of daylight. Solar noon is at 11:56.
How many peak sun hours does Su-ngai Kolok get?
On a flat surface 4.9 hours a day averaged over the year, from 3.8 in December to 5.8 in March. Panels tilted at 70° receive 1.6 sun hours a day in June.
How high does the sun get in Su-ngai Kolok?
At solar noon the sun stands 72.6° above the horizon on the June solstice and 60.5° on the December solstice.
Is Su-ngai Kolok a good place for solar panels?
With 4.9 peak sun hours a day on flat ground, Su-ngai Kolok ranks joint 245th of 295 places in Thailand for sunshine. A 1 kWp array at the best angle (4°) makes about 1,436 kWh a year here, 5% less than the average place in Thailand.

Places near Su-ngai Kolok

All places in Thailand

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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.