Trat · Thailand · 12.17° N · 102.39° E
Solar position in Laem Ngop
Sun position, daylight and the best solar panel angle for Laem Ngop — computed for 12.17° N, 102.39° E, 6 m above sea level.
The sun right now
Sun in Laem Ngop today
Sunday, 25 October 2026 · local time UTC+7
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:50 | sun 18° below horizon |
| Nautical dawn | 05:15 | 12° below |
| Civil dawn | 05:40 | 6° below |
| Sunrise | 06:01 | 102° ESE |
| Golden hour ends | 06:30 | sun 6° up |
| Solar noon | 11:54 | 65.7° high |
| Golden hour starts | 17:18 | sun 6° up |
| Sunset | 17:47 | 258° WSW |
| Civil dusk | 18:08 | 6° below |
| Nautical dusk | 18:33 | 12° below |
| Astronomical dusk | 18:58 | 18° below |
| Day length | 11 h 46 min | |
Sun path diagram for Laem Ngop
Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.
- June solstice
- Equinox
- December solstice
- Today
On the June solstice the sun reaches 78.7° at solar noon in Laem Ngop; on the December solstice only 54.4°. 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.
| Month | Sunrise | Solar noon | Sunset | Day length | Noon elevation |
|---|---|---|---|---|---|
| January | 06:35 | 12:21 | 18:07 | 11 h 32 min | 57.9° |
| February | 06:29 | 12:24 | 18:18 | 11 h 48 min | 67.3° |
| March | 06:14 | 12:17 | 18:21 | 12 h 07 min | 78.1° |
| April | 05:55 | 12:09 | 18:23 | 12 h 28 min | 89.7° |
| May | 05:45 | 12:06 | 18:28 | 12 h 44 min | 82.0° |
| June | 05:46 | 12:12 | 18:37 | 12 h 50 min | 78.7° |
| July | 05:54 | 12:16 | 18:38 | 12 h 44 min | 81.7° |
| August | 05:59 | 12:13 | 18:27 | 12 h 28 min | 89.9° |
| September | 05:59 | 12:03 | 18:07 | 12 h 08 min | 78.5° |
| October | 06:00 | 11:55 | 17:49 | 11 h 48 min | 67.1° |
| November | 06:10 | 11:56 | 17:41 | 11 h 32 min | 57.9° |
| December | 06:25 | 12:08 | 17:50 | 11 h 25 min | 54.4° |
A year of daylight in Laem Ngop
Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.
Best solar panel angle in Laem Ngop
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
15°collects the most energy over a year: 1423 kWh per kWp.
4°gives the most in the darkest month — the one an off-grid system is sized for.
- Yearly energy
- Worst-month energy
| Tilt | kWh/kWp per year | Share of best year | July kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1387 | 97% | 3.47 | 1.3× |
| 4° off-grid best | 1404 | 99% | 3.43 | 1.3× |
| 12° = latitude | 1422 | 100% | 3.31 | 1.3× |
| 15° year-round best | 1423 | 100% | 3.26 | 1.4× |
| 30° | 1383 | 97% | 2.88 | 1.7× |
| 45° | 1269 | 89% | 2.37 | 2.0× |
| 60° | 1090 | 77% | 1.77 | 2.7× |
| 70° | 943 | 66% | 1.38 | 3.2× |
| 90° | 657 | 46% | 1.05 | 3.1× |
A fixed array in Laem Ngop produces the most over a year at 15°. The design month for an off-grid system is July: at 4° it makes 3.43 kWh per kWp a day, 5% more than at 15°, and costs 1% of the yearly total. Why steep panels win winter.
Off-grid solar in Laem Ngop at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 15° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 15° | Mean temp. |
|---|---|---|---|---|---|
| January | 4.95 | 4.98 | 4.08 | 4.45 | 25.4 °C |
| February | 5.20 | 4.28 | 3.49 | 4.44 | 26.3 °C |
| March | 5.34 | 3.45 | 2.79 | 4.33 | 27.3 °C |
| April | 5.47 | 2.60 | 2.07 | 4.20 | 28.1 °C |
| May | 4.87 | 1.92 | 1.51 | 3.62 | 28.0 °C |
| June | 4.53 | 1.68 | 1.32 | 3.32 | 27.3 °C |
| July | 4.40 | 1.75 | 1.38 | 3.26 | 26.9 °C |
| August | 4.31 | 2.06 | 1.63 | 3.28 | 26.8 °C |
| September | 4.26 | 2.54 | 2.04 | 3.37 | 26.6 °C |
| October | 4.64 | 3.44 | 2.79 | 3.84 | 26.7 °C |
| November | 4.85 | 4.53 | 3.70 | 4.26 | 26.3 °C |
| December | 4.88 | 5.19 | 4.25 | 4.45 | 25.3 °C |
| Year | 4.81 avg | 3.20 avg | 943 kWh | 1423 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 890 Wp of panels at 70°, versus 360 Wp at 15°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Laem Ngop
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.
2.2 mrow pitch at 70°
2.3 mrow pitch at 15°
How Laem Ngop compares in Thailand
Against the other 294 places in Thailand with climate data, for a fixed array at its best angle.
286thof 295 places in Thailand for sunshine, shared: 4.81 peak sun hours a day on flat ground.
−6%solar energy a year compared with the average place in Thailand: 1,423 against 1,509 kWh per kWp.
−6 mindaylight on the longest day, compared with Bangkok: 12 h 50 min against 12 h 56 min.
15°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); Laem Ngop ranks joint 286th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.32 kWh a day here, against 1.53 kWh on average in Thailand. The shortest day lasts 11 h 25 min, +6 min compared with Bangkok.
Solar forecast for Laem Ngop, next 48 hours
Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.
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A free, live card for Laem Ngop: where the sun is right now on today's path, a countdown to sunset or sunrise, the daylight change, the moon phase at night and the best panel angle.
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.