Solarposition.org

Thailand · 17.20° N · 102.44° E

Solar position in Nong Bua Lamphu

Sun position, daylight and the best solar panel angle for Nong Bua Lamphu — computed for 17.20° N, 102.44° E, 217 m above sea level.

Sunrise today06:05102° ESE
Sunset today17:42258° WSW
Best panel angle19°year-round, facing south
Off-grid angle1°best for the darkest month

The sun right now

Azimuth180.0°
Elevation60.7°
At solar noon, 11:54Open on the sun map

Sun in Nong Bua Lamphu today

Sunday, 25 October 2026 · local time UTC+7

EventTimeDirection / height
Astronomical dawn04:52sun 18° below horizon
Nautical dawn05:1812° below
Civil dawn05:436° below
Sunrise06:05102° ESE
Golden hour ends06:35sun 6° up
Solar noon11:5460.7° high
Golden hour starts17:13sun 6° up
Sunset17:42258° WSW
Civil dusk18:046° below
Nautical dusk18:3012° below
Astronomical dusk18:5518° below
Day length11 h 37 min

Sun path diagram for Nong Bua Lamphu

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 83.8° at solar noon in Nong Bua Lamphu; on the December solstice only 49.4°. Sunrise swings from 65° ENE in June to 114° ESE in December — a 49° 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
January06:4312:2117:5911 h 16 min52.9°
February06:3312:2318:1411 h 41 min62.3°
March06:1312:1718:2112 h 07 min73.0°
April05:5012:0918:2712 h 37 min84.7°
May05:3612:0618:3613 h 00 min87.0°
June05:3712:1118:4613 h 09 min83.8°
July05:4612:1618:4613 h 01 min86.7°
August05:5412:1318:3212 h 37 min84.9°
September05:5912:0318:0712 h 09 min73.5°
October06:0411:5417:4411 h 40 min62.1°
November06:1711:5517:3311 h 16 min52.9°
December06:3512:0817:4111 h 06 min49.4°

A year of daylight in Nong Bua Lamphu

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 Nong Bua Lamphu

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

19°collects the most energy over a year: 1516 kWh per kWp.

1°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 19°Best worst-month 1°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearAugust kWh/kWp/dayBest ÷ worst month
0°144795%3.661.2×
1° off-grid best145496%3.661.2×
15°1513100%3.581.3×
17° = latitude1515100%3.551.3×
19° year-round best1516100%3.531.3×
30°149699%3.321.5×
45°139892%2.911.8×
60°122781%2.362.3×
70°107971%1.952.7×
90°76250%1.163.2×

A fixed array in Nong Bua Lamphu produces the most over a year at 19°. The design month for an off-grid system is August: at 1° it makes 3.66 kWh per kWp a day, 4% more than at 19°, and costs 4% of the yearly total. Why steep panels win winter.

Off-grid solar in Nong Bua Lamphu at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 19° (year-round best).

012345January: 4.49 (70°)4.5JanFebruary: 3.88 (70°)3.9FebMarch: 2.98 (70°)3.0MarApril: 2.41 (70°)2.4AprMay: 1.87 (70°)1.9MayJune: 1.69 (70°)1.7JunJuly: 1.71 (70°)1.7JulAugust: 1.95 (70°)1.9AugSeptember: 2.42 (70°)2.4SepOctober: 3.24 (70°)3.2OctNovember: 4.24 (70°)4.2NovDecember: 4.63 (70°)4.6Dec19°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 19°Mean temp.
January4.795.424.494.6322.3 °C
February5.214.743.884.6325.7 °C
March5.233.712.984.2728.8 °C
April5.713.042.414.3630.8 °C
May5.502.361.874.0429.2 °C
June5.172.141.693.7627.6 °C
July4.852.151.713.5826.9 °C
August4.632.431.953.5326.4 °C
September4.662.992.423.7326.2 °C
October4.863.953.244.1824.9 °C
November4.875.134.244.5823.2 °C
December4.665.564.634.6021.3 °C
Year5.01 avg3.63 avg1079 kWh1516 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 700 Wp of panels at 70°, versus 330 Wp at 19°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Nong Bua Lamphu

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.

2.5 mrow pitch at 70°

2.5 mrow pitch at 19°

Row spacing calculator

How Nong Bua Lamphu compares in Thailand

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

205thof 295 places in Thailand for sunshine, shared: 5.01 peak sun hours a day on flat ground.

±0%solar energy a year compared with the average place in Thailand: 1,516 against 1,509 kWh per kWp.

+13 mindaylight on the longest day, compared with Bangkok: 13 h 09 min against 12 h 56 min.

19°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); Nong Bua Lamphu ranks joint 205th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.69 kWh a day here, against 1.53 kWh on average in Thailand. The shortest day lasts 11 h 06 min, −13 min compared with Bangkok.

The sunniest places in Thailand

Solar forecast for Nong Bua Lamphu, 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 Nong Bua Lamphu

What is the best solar panel angle in Nong Bua Lamphu?
For a fixed array facing south, the best year-round tilt in Nong Bua Lamphu is 19°, worth about 1516 kWh per kWp a year. An off-grid system that has to get through August does better at about 1°.
What time is sunrise and sunset in Nong Bua Lamphu today?
On 25 October 2026 the sun rises at 06:05 and sets at 17:42 local time (UTC+7), giving 11 h 37 min of daylight. Solar noon is at 11:54.
How many peak sun hours does Nong Bua Lamphu get?
On a flat surface 5.0 hours a day averaged over the year, from 4.6 in August to 5.7 in April. Panels tilted at 70° receive 2.1 sun hours a day in June.
How high does the sun get in Nong Bua Lamphu?
At solar noon the sun stands 83.8° above the horizon on the June solstice and 49.4° on the December solstice.
Is Nong Bua Lamphu a good place for solar panels?
With 5.0 peak sun hours a day on flat ground, Nong Bua Lamphu ranks joint 205th of 295 places in Thailand for sunshine. A 1 kWp array at the best angle (19°) makes about 1,516 kWh a year here, as much as the average place in Thailand.

Places near Nong Bua Lamphu

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.