Dong Thap · Vietnam · 10.36° N · 106.36° E
Solar position in Mỹ Tho
Sun position, daylight and the best solar panel angle for Mỹ Tho — computed for 10.36° N, 106.36° E, 2 m above sea level.
The sun right now
Sun in Mỹ Tho today
Sunday, 25 October 2026 · local time UTC+7
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:33 | sun 18° below horizon |
| Nautical dawn | 04:57 | 12° below |
| Civil dawn | 05:22 | 6° below |
| Sunrise | 05:44 | 102° ESE |
| Golden hour ends | 06:12 | sun 6° up |
| Solar noon | 11:38 | 67.6° high |
| Golden hour starts | 17:04 | sun 6° up |
| Sunset | 17:33 | 258° WSW |
| Civil dusk | 17:54 | 6° below |
| Nautical dusk | 18:19 | 12° below |
| Astronomical dusk | 18:44 | 18° below |
| Day length | 11 h 49 min | |
Sun path diagram for Mỹ Tho
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 76.9° at solar noon in Mỹ Tho; on the December solstice only 56.2°. 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 | 06:17 | 12:05 | 17:54 | 11 h 37 min | 59.7° |
| February | 06:12 | 12:08 | 18:03 | 11 h 51 min | 69.1° |
| March | 05:58 | 12:01 | 18:05 | 12 h 07 min | 79.9° |
| April | 05:41 | 11:53 | 18:05 | 12 h 24 min | 88.5° |
| May | 05:32 | 11:51 | 18:10 | 12 h 38 min | 80.2° |
| June | 05:34 | 11:56 | 18:18 | 12 h 44 min | 76.9° |
| July | 05:41 | 12:01 | 18:20 | 12 h 39 min | 79.9° |
| August | 05:45 | 11:57 | 18:10 | 12 h 25 min | 88.3° |
| September | 05:43 | 11:47 | 17:51 | 12 h 08 min | 80.3° |
| October | 05:43 | 11:39 | 17:34 | 11 h 51 min | 69.0° |
| November | 05:51 | 11:40 | 17:28 | 11 h 37 min | 59.7° |
| December | 06:06 | 11:52 | 17:38 | 11 h 31 min | 56.2° |
A year of daylight in Mỹ Tho
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 Mỹ Tho
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: 1517 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° | 1495 | 99% | 3.87 | 1.3× |
| 4° off-grid best | 1509 | 99% | 3.81 | 1.3× |
| 10° = latitude | 1517 | 100% | 3.70 | 1.3× |
| 11° year-round best | 1517 | 100% | 3.68 | 1.3× |
| 15° | 1514 | 100% | 3.59 | 1.4× |
| 30° | 1451 | 96% | 3.12 | 1.6× |
| 45° | 1309 | 86% | 2.50 | 2.0× |
| 60° | 1100 | 73% | 1.80 | 2.5× |
| 70° | 936 | 62% | 1.35 | 3.1× |
| 90° | 638 | 42% | 1.07 | 2.9× |
A fixed array in Mỹ Tho produces the most over a year at 11°. The design month for an off-grid system is July: at 4° it makes 3.81 kWh per kWp a day, 4% more than at 11°, and costs 1% of the yearly total. Why steep panels win winter.
Off-grid solar in Mỹ Tho at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 11° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 11° | Mean temp. |
|---|---|---|---|---|---|
| January | 5.07 | 4.88 | 3.99 | 4.39 | 26.0 °C |
| February | 5.84 | 4.70 | 3.82 | 4.90 | 27.1 °C |
| March | 6.13 | 3.77 | 3.04 | 4.93 | 28.6 °C |
| April | 6.10 | 2.58 | 2.04 | 4.69 | 29.8 °C |
| May | 5.34 | 1.82 | 1.43 | 4.00 | 29.3 °C |
| June | 4.96 | 1.63 | 1.27 | 3.70 | 27.9 °C |
| July | 4.90 | 1.72 | 1.35 | 3.68 | 27.3 °C |
| August | 4.94 | 2.11 | 1.68 | 3.80 | 27.2 °C |
| September | 4.85 | 2.75 | 2.22 | 3.85 | 27.1 °C |
| October | 4.80 | 3.46 | 2.80 | 3.93 | 27.0 °C |
| November | 4.78 | 4.26 | 3.47 | 4.06 | 26.7 °C |
| December | 4.65 | 4.57 | 3.74 | 4.03 | 26.0 °C |
| Year | 5.19 avg | 3.18 avg | 936 kWh | 1517 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 930 Wp of panels at 70°, versus 320 Wp at 11°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Mỹ Tho
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.
2.1 mrow pitch at 70°
2.3 mrow pitch at 11°
How Mỹ Tho compares in Vietnam
Against the other 306 places in Vietnam with climate data, for a fixed array at its best angle.
53rdof 307 places in Vietnam for sunshine, shared: 5.19 peak sun hours a day on flat ground.
+15%solar energy a year compared with the average place in Vietnam: 1,517 against 1,320 kWh per kWp.
−2 mindaylight on the longest day, compared with Ho Chi Minh City: 12 h 44 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); Mỹ Tho ranks joint 53rd. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.27 kWh a day here, against 1.53 kWh on average in Vietnam. The shortest day lasts 11 h 31 min, +2 min compared with Ho Chi Minh City.
Solar forecast for Mỹ Tho, 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 Mỹ Tho: 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.