Chachoengsao · Thailand · 13.54° N · 100.99° E
Solar position in Bang Pakong
Sun position, daylight and the best solar panel angle for Bang Pakong — computed for 13.54° N, 100.99° E, 8 m above sea level.
The sun right now
Sun in Bang Pakong today
Sunday, 25 October 2026 · local time UTC+7
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:56 | sun 18° below horizon |
| Nautical dawn | 05:21 | 12° below |
| Civil dawn | 05:46 | 6° below |
| Sunrise | 06:08 | 102° ESE |
| Golden hour ends | 06:37 | sun 6° up |
| Solar noon | 12:00 | 64.4° high |
| Golden hour starts | 17:22 | sun 6° up |
| Sunset | 17:51 | 258° WSW |
| Civil dusk | 18:13 | 6° below |
| Nautical dusk | 18:38 | 12° below |
| Astronomical dusk | 19:03 | 18° below |
| Day length | 11 h 43 min | |
Sun path diagram for Bang Pakong
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 80.1° at solar noon in Bang Pakong; on the December solstice only 53.0°. 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 | 06:43 | 12:27 | 18:11 | 11 h 27 min | 56.6° |
| February | 06:36 | 12:29 | 18:22 | 11 h 46 min | 65.9° |
| March | 06:19 | 12:23 | 18:26 | 12 h 07 min | 76.7° |
| April | 05:59 | 12:14 | 18:29 | 12 h 30 min | 88.3° |
| May | 05:48 | 12:12 | 18:36 | 12 h 48 min | 83.4° |
| June | 05:49 | 12:17 | 18:45 | 12 h 56 min | 80.1° |
| July | 05:58 | 12:22 | 18:46 | 12 h 49 min | 83.1° |
| August | 06:03 | 12:19 | 18:34 | 12 h 31 min | 88.6° |
| September | 06:05 | 12:09 | 18:13 | 12 h 08 min | 77.2° |
| October | 06:07 | 12:00 | 17:53 | 11 h 46 min | 65.8° |
| November | 06:18 | 12:01 | 17:45 | 11 h 27 min | 56.6° |
| December | 06:34 | 12:13 | 17:53 | 11 h 20 min | 53.0° |
A year of daylight in Bang Pakong
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 Bang Pakong
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: 1508 kWh per kWp.
8°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° | 1467 | 97% | 3.90 | 1.2× |
| 8° off-grid best | 1499 | 99% | 3.81 | 1.2× |
| 14° = latitude | 1508 | 100% | 3.70 | 1.2× |
| 15° year-round best | 1508 | 100% | 3.68 | 1.2× |
| 30° | 1467 | 97% | 3.26 | 1.5× |
| 45° | 1348 | 89% | 2.70 | 1.8× |
| 60° | 1160 | 77% | 2.02 | 2.4× |
| 70° | 1004 | 67% | 1.57 | 2.9× |
| 90° | 699 | 46% | 1.17 | 3.1× |
A fixed array in Bang Pakong produces the most over a year at 15°. The design month for an off-grid system is July: at 8° it makes 3.81 kWh per kWp a day, 4% more than at 15°, and costs 1% of the yearly total. Why steep panels win winter.
Off-grid solar in Bang Pakong 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 | 4.98 | 5.17 | 4.23 | 4.51 | 25.8 °C |
| February | 5.32 | 4.49 | 3.64 | 4.54 | 28.0 °C |
| March | 5.51 | 3.65 | 2.93 | 4.45 | 29.3 °C |
| April | 5.84 | 2.80 | 2.22 | 4.47 | 30.1 °C |
| May | 5.33 | 2.10 | 1.65 | 3.96 | 29.2 °C |
| June | 5.15 | 1.92 | 1.51 | 3.78 | 28.1 °C |
| July | 4.95 | 1.99 | 1.57 | 3.68 | 27.5 °C |
| August | 4.90 | 2.38 | 1.90 | 3.74 | 27.4 °C |
| September | 4.76 | 2.89 | 2.33 | 3.78 | 27.0 °C |
| October | 4.72 | 3.58 | 2.90 | 3.93 | 26.6 °C |
| November | 4.86 | 4.66 | 3.81 | 4.30 | 25.7 °C |
| December | 4.86 | 5.32 | 4.37 | 4.48 | 24.7 °C |
| Year | 5.10 avg | 3.41 avg | 1004 kWh | 1508 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 780 Wp of panels at 70°, versus 320 Wp at 15°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Bang Pakong
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°
2.4 mrow pitch at 15°
How Bang Pakong compares in Thailand
Against the other 294 places in Thailand with climate data, for a fixed array at its best angle.
142ndof 295 places in Thailand for sunshine, shared: 5.10 peak sun hours a day on flat ground.
±0%solar energy a year compared with the average place in Thailand: 1,508 against 1,509 kWh per kWp.
−1 mindaylight on the longest day, compared with Bangkok: 12 h 56 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); Bang Pakong ranks joint 142nd. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.51 kWh a day here, against 1.53 kWh on average in Thailand. The shortest day lasts 11 h 20 min, +1 min compared with Bangkok.
Solar forecast for Bang Pakong, 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 Bang Pakong
What is the best solar panel angle in Bang Pakong?
What time is sunrise and sunset in Bang Pakong today?
How many peak sun hours does Bang Pakong get?
How high does the sun get in Bang Pakong?
Is Bang Pakong a good place for solar panels?
Places near Bang Pakong
Put this on your site
A free, live card for Bang Pakong: 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.