Solarposition.org

Gia Lai · Vietnam · 13.95° N · 108.65° E

Solar position in An Khê

Sun position, daylight and the best solar panel angle for An Khê — computed for 13.95° N, 108.65° E, 409 m above sea level.

Sunrise today05:38102° ESE
Sunset today17:20258° WSW
Best panel angle11°year-round, facing south
Off-grid angle33°best for the darkest month

The sun right now

Azimuth180.0°
Elevation64.0°
At solar noon, 11:29Open on the sun map

Sun in An Khê today

Sunday, 25 October 2026 · local time UTC+7

EventTimeDirection / height
Astronomical dawn04:26sun 18° below horizon
Nautical dawn04:5112° below
Civil dawn05:166° below
Sunrise05:38102° ESE
Golden hour ends06:07sun 6° up
Solar noon11:2964.0° high
Golden hour starts16:51sun 6° up
Sunset17:20258° WSW
Civil dusk17:426° below
Nautical dusk18:0712° below
Astronomical dusk18:3218° below
Day length11 h 43 min

Sun path diagram for An Khê

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 80.5° at solar noon in An Khê; on the December solstice only 52.6°. 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
January06:1311:5617:3911 h 26 min56.2°
February06:0611:5917:5111 h 46 min65.5°
March05:4911:5217:5612 h 07 min76.3°
April05:2811:4417:5912 h 31 min87.9°
May05:1711:4118:0612 h 49 min83.8°
June05:1811:4718:1512 h 57 min80.5°
July05:2611:5118:1612 h 50 min83.5°
August05:3211:4818:0412 h 31 min88.2°
September05:3411:3817:4212 h 08 min76.8°
October05:3711:2917:2211 h 45 min65.4°
November05:4811:3117:1411 h 26 min56.2°
December06:0411:4317:2211 h 18 min52.6°

A year of daylight in An Khê

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 An Khê

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

11°collects the most energy over a year: 1413 kWh per kWp.

33°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 11°Best worst-month 33°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°139198%2.651.8×
11° year-round best1413100%2.921.6×
14° = latitude1412100%2.971.5×
15°1411100%2.991.5×
30°135396%3.171.4×
33° off-grid best133394%3.181.4×
45°122387%3.171.6×
60°103073%2.992.1×
70°87762%2.792.5×
90°59442%2.172.4×

A fixed array in An Khê produces the most over a year at 11°. The design month for an off-grid system is December: at 33° it makes 3.18 kWh per kWp a day, 9% more than at 11°, and costs 6% of the yearly total. Why steep panels win winter.

Off-grid solar in An Khê at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 11° (year-round best).

012345January: 3.31 (70°)3.3JanFebruary: 3.58 (70°)3.6FebMarch: 3.00 (70°)3.0MarApril: 2.24 (70°)2.2AprMay: 1.64 (70°)1.6MayJune: 1.41 (70°)1.4JunJuly: 1.47 (70°)1.5JulAugust: 1.77 (70°)1.8AugSeptember: 2.32 (70°)2.3SepOctober: 2.61 (70°)2.6OctNovember: 2.79 (70°)2.8NovDecember: 2.79 (70°)2.8Dec11°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 11°Mean temp.
January3.963.983.313.5121.3 °C
February5.024.313.584.3422.3 °C
March5.503.663.004.5324.4 °C
April5.902.792.244.6426.6 °C
May5.762.071.644.3827.5 °C
June5.391.791.414.0527.2 °C
July5.141.861.473.9026.9 °C
August4.862.221.773.7826.7 °C
September4.782.872.323.8426.0 °C
October4.203.202.613.4924.8 °C
November3.643.402.793.1423.6 °C
December3.333.362.792.9221.9 °C
Year4.79 avg2.95 avg877 kWh1413 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 840 Wp of panels at 70°, versus 400 Wp at 11°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in An Khê

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.

2.3 mrow pitch at 70°

2.3 mrow pitch at 11°

Row spacing calculator

How An Khê compares in Vietnam

Against the other 306 places in Vietnam with climate data, for a fixed array at its best angle.

141stof 307 places in Vietnam for sunshine: 4.79 peak sun hours a day on flat ground.

+7%solar energy a year compared with the average place in Vietnam: 1,413 against 1,320 kWh per kWp.

+12 mindaylight on the longest day, compared with Ho Chi Minh City: 12 h 57 min against 12 h 46 min.

11°best year-round tilt here; across Vietnam it runs from 9° in Vĩnh Châu to 21° in Dien Bien Phu.

Of the 307 places in Vietnam, Phú Quý gets the most sun (5.45 peak sun hours a day) and Thị Trấn Thất Khê and one other place the least (3.61); An Khê ranks 141st. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.41 kWh a day here, against 1.53 kWh on average in Vietnam. The shortest day lasts 11 h 18 min, −11 min compared with Ho Chi Minh City.

The sunniest places in Vietnam

Solar forecast for An Khê, 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 An Khê

What is the best solar panel angle in An Khê?
For a fixed array facing south, the best year-round tilt in An Khê is 11°, worth about 1413 kWh per kWp a year. An off-grid system that has to get through December does better at about 33°.
What time is sunrise and sunset in An Khê today?
On 25 October 2026 the sun rises at 05:38 and sets at 17:20 local time (UTC+7), giving 11 h 43 min of daylight. Solar noon is at 11:29.
How many peak sun hours does An Khê get?
On a flat surface 4.8 hours a day averaged over the year, from 3.3 in December to 5.9 in April. Panels tilted at 70° receive 1.8 sun hours a day in June.
How high does the sun get in An Khê?
At solar noon the sun stands 80.5° above the horizon on the June solstice and 52.6° on the December solstice.
Is An Khê a good place for solar panels?
With 4.8 peak sun hours a day on flat ground, An Khê ranks 141st of 307 places in Vietnam for sunshine. A 1 kWp array at the best angle (11°) makes about 1,413 kWh a year here, 7% more than the average place in Vietnam.

Places near An Khê

All places in Vietnam

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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.