Phichit · Thailand · 16.03° N · 100.38° E
Solar position in Bang Mun Nak
Sun position, daylight and the best solar panel angle for Bang Mun Nak — computed for 16.03° N, 100.38° E, 33 m above sea level.
The sun right now
Sun in Bang Mun Nak today
Sunday, 25 October 2026 · local time UTC+7
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:00 | sun 18° below horizon |
| Nautical dawn | 05:25 | 12° below |
| Civil dawn | 05:51 | 6° below |
| Sunrise | 06:13 | 102° ESE |
| Golden hour ends | 06:42 | sun 6° up |
| Solar noon | 12:02 | 61.9° high |
| Golden hour starts | 17:22 | sun 6° up |
| Sunset | 17:51 | 258° WSW |
| Civil dusk | 18:13 | 6° below |
| Nautical dusk | 18:39 | 12° below |
| Astronomical dusk | 19:04 | 18° below |
| Day length | 11 h 39 min | |
Sun path diagram for Bang Mun Nak
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 82.6° at solar noon in Bang Mun Nak; on the December solstice only 50.5°. 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.
| Month | Sunrise | Solar noon | Sunset | Day length | Noon elevation |
|---|---|---|---|---|---|
| January | 06:49 | 12:29 | 18:09 | 11 h 20 min | 54.1° |
| February | 06:40 | 12:32 | 18:23 | 11 h 42 min | 63.4° |
| March | 06:22 | 12:25 | 18:29 | 12 h 07 min | 74.2° |
| April | 06:00 | 12:17 | 18:34 | 12 h 35 min | 85.8° |
| May | 05:47 | 12:15 | 18:43 | 12 h 56 min | 85.8° |
| June | 05:47 | 12:20 | 18:52 | 13 h 05 min | 82.6° |
| July | 05:56 | 12:24 | 18:53 | 12 h 57 min | 85.6° |
| August | 06:04 | 12:21 | 18:39 | 12 h 35 min | 86.1° |
| September | 06:07 | 12:11 | 18:15 | 12 h 08 min | 74.7° |
| October | 06:12 | 12:03 | 17:54 | 11 h 42 min | 63.3° |
| November | 06:24 | 12:04 | 17:44 | 11 h 20 min | 54.1° |
| December | 06:41 | 12:16 | 17:51 | 11 h 11 min | 50.5° |
A year of daylight in Bang Mun Nak
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 Mun Nak
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
17°collects the most energy over a year: 1536 kWh per kWp.
7°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 | August kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1481 | 96% | 3.83 | 1.3× |
| 7° off-grid best | 1516 | 99% | 3.81 | 1.2× |
| 15° | 1535 | 100% | 3.74 | 1.2× |
| 16° = latitude | 1536 | 100% | 3.72 | 1.2× |
| 17° year-round best | 1536 | 100% | 3.71 | 1.2× |
| 30° | 1506 | 98% | 3.46 | 1.4× |
| 45° | 1395 | 91% | 3.01 | 1.7× |
| 60° | 1212 | 79% | 2.43 | 2.2× |
| 70° | 1057 | 69% | 1.99 | 2.7× |
| 90° | 739 | 48% | 1.19 | 3.1× |
A fixed array in Bang Mun Nak produces the most over a year at 17°. The design month for an off-grid system is August: at 7° it makes 3.81 kWh per kWp a day, 3% more than at 17°, and costs 1% of the yearly total. Why steep panels win winter.
Off-grid solar in Bang Mun Nak at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 17° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 17° | Mean temp. |
|---|---|---|---|---|---|
| January | 4.79 | 5.20 | 4.27 | 4.45 | 25.0 °C |
| February | 5.25 | 4.65 | 3.77 | 4.56 | 28.1 °C |
| March | 5.49 | 3.81 | 3.05 | 4.45 | 30.3 °C |
| April | 6.05 | 3.06 | 2.42 | 4.61 | 31.8 °C |
| May | 5.72 | 2.33 | 1.84 | 4.22 | 29.7 °C |
| June | 5.42 | 2.11 | 1.66 | 3.96 | 28.2 °C |
| July | 5.12 | 2.19 | 1.74 | 3.80 | 27.4 °C |
| August | 4.85 | 2.48 | 1.99 | 3.71 | 26.9 °C |
| September | 4.77 | 3.01 | 2.43 | 3.80 | 26.7 °C |
| October | 4.80 | 3.81 | 3.10 | 4.06 | 26.2 °C |
| November | 4.87 | 4.96 | 4.07 | 4.44 | 25.1 °C |
| December | 4.69 | 5.42 | 4.47 | 4.47 | 23.8 °C |
| Year | 5.15 avg | 3.58 avg | 1057 kWh | 1536 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 710 Wp of panels at 70°, versus 320 Wp at 17°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Bang Mun Nak
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 17°
How Bang Mun Nak compares in Thailand
Against the other 294 places in Thailand with climate data, for a fixed array at its best angle.
105thof 295 places in Thailand for sunshine, shared: 5.15 peak sun hours a day on flat ground.
+2%solar energy a year compared with the average place in Thailand: 1,536 against 1,509 kWh per kWp.
+9 mindaylight on the longest day, compared with Bangkok: 13 h 05 min against 12 h 56 min.
17°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 Mun Nak ranks joint 105th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.66 kWh a day here, against 1.53 kWh on average in Thailand. The shortest day lasts 11 h 11 min, −8 min compared with Bangkok.
Solar forecast for Bang Mun Nak, 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 Bang Mun Nak: 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.