Solarposition.org

Ubon Ratchathani · Thailand · 15.24° N · 105.23° E

Solar position in Phibun Mangsahan

Sun position, daylight and the best solar panel angle for Phibun Mangsahan — computed for 15.24° N, 105.23° E, 127 m above sea level.

Sunrise today05:52102° ESE
Sunset today17:33258° WSW
Best panel angle18°year-round, facing south
Off-grid angle0°best for the darkest month

The sun right now

Azimuth180.0°
Elevation62.7°
At solar noon, 11:43Open on the sun map

Sun in Phibun Mangsahan today

Sunday, 25 October 2026 · local time UTC+7

EventTimeDirection / height
Astronomical dawn04:40sun 18° below horizon
Nautical dawn05:0512° below
Civil dawn05:316° below
Sunrise05:52102° ESE
Golden hour ends06:22sun 6° up
Solar noon11:4362.7° high
Golden hour starts17:04sun 6° up
Sunset17:33258° WSW
Civil dusk17:556° below
Nautical dusk18:2012° below
Astronomical dusk18:4518° below
Day length11 h 40 min

Sun path diagram for Phibun Mangsahan

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 81.8° at solar noon in Phibun Mangsahan; on the December solstice only 51.3°. 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
January06:2912:1017:5111 h 22 min54.9°
February06:2012:1218:0411 h 44 min64.2°
March06:0212:0618:1012 h 07 min75.0°
April05:4111:5718:1412 h 33 min86.6°
May05:2911:5518:2212 h 53 min85.1°
June05:2912:0018:3113 h 02 min81.8°
July05:3812:0518:3212 h 54 min84.8°
August05:4512:0218:1912 h 34 min86.9°
September05:4811:5217:5612 h 08 min75.5°
October05:5211:4317:3511 h 43 min64.1°
November06:0311:4417:2511 h 22 min54.9°
December06:2011:5717:3311 h 14 min51.3°

A year of daylight in Phibun Mangsahan

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 Phibun Mangsahan

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

18°collects the most energy over a year: 1527 kWh per kWp.

0°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 18°Best worst-month 0°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearAugust kWh/kWp/dayBest ÷ worst month
0° off-grid best146896%3.601.2×
15° = latitude1526100%3.501.4×
18° year-round best1527100%3.461.4×
30°150098%3.231.6×
45°139291%2.802.0×
60°121179%2.252.5×
70°105769%1.833.0×
90°74149%1.113.3×

A fixed array in Phibun Mangsahan produces the most over a year at 18°. The design month for an off-grid system is August: at 0° it makes 3.60 kWh per kWp a day, 4% more than at 18°, and costs 4% of the yearly total. Why steep panels win winter.

Off-grid solar in Phibun Mangsahan at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 18° (year-round best).

0123456January: 4.67 (70°)4.7JanFebruary: 3.94 (70°)3.9FebMarch: 2.96 (70°)3.0MarApril: 2.28 (70°)2.3AprMay: 1.75 (70°)1.7MayJune: 1.57 (70°)1.6JunJuly: 1.58 (70°)1.6JulAugust: 1.83 (70°)1.8AugSeptember: 2.32 (70°)2.3SepOctober: 3.20 (70°)3.2OctNovember: 4.11 (70°)4.1NovDecember: 4.63 (70°)4.6Dec18°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 18°Mean temp.
January5.135.684.674.8624.7 °C
February5.484.843.944.8027.2 °C
March5.403.692.964.3729.6 °C
April5.682.872.284.3330.6 °C
May5.552.211.754.0728.9 °C
June5.141.981.573.7327.3 °C
July4.812.001.583.5426.3 °C
August4.542.291.833.4626.1 °C
September4.612.862.323.6726.1 °C
October4.973.923.204.2325.7 °C
November4.935.004.114.5325.0 °C
December4.865.624.634.6724.0 °C
Year5.09 avg3.57 avg1057 kWh1527 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 750 Wp of panels at 70°, versus 340 Wp at 18°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Phibun Mangsahan

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.

2.4 mrow pitch at 70°

2.5 mrow pitch at 18°

Row spacing calculator

How Phibun Mangsahan compares in Thailand

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

150thof 295 places in Thailand for sunshine, shared: 5.09 peak sun hours a day on flat ground.

+1%solar energy a year compared with the average place in Thailand: 1,527 against 1,509 kWh per kWp.

+6 mindaylight on the longest day, compared with Bangkok: 13 h 02 min against 12 h 56 min.

18°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); Phibun Mangsahan ranks joint 150th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.57 kWh a day here, against 1.53 kWh on average in Thailand. The shortest day lasts 11 h 14 min, −5 min compared with Bangkok.

The sunniest places in Thailand

Solar forecast for Phibun Mangsahan, 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 Phibun Mangsahan

What is the best solar panel angle in Phibun Mangsahan?
For a fixed array facing south, the best year-round tilt in Phibun Mangsahan is 18°, worth about 1527 kWh per kWp a year. An off-grid system that has to get through August does better at about 0°.
What time is sunrise and sunset in Phibun Mangsahan today?
On 25 October 2026 the sun rises at 05:52 and sets at 17:33 local time (UTC+7), giving 11 h 40 min of daylight. Solar noon is at 11:43.
How many peak sun hours does Phibun Mangsahan get?
On a flat surface 5.1 hours a day averaged over the year, from 4.5 in August to 5.7 in April. Panels tilted at 70° receive 2.0 sun hours a day in June.
How high does the sun get in Phibun Mangsahan?
At solar noon the sun stands 81.8° above the horizon on the June solstice and 51.3° on the December solstice.
Is Phibun Mangsahan a good place for solar panels?
With 5.1 peak sun hours a day on flat ground, Phibun Mangsahan ranks joint 150th of 295 places in Thailand for sunshine. A 1 kWp array at the best angle (18°) makes about 1,527 kWh a year here, 1% more than the average place in Thailand.

Places near Phibun Mangsahan

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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.