Lumbini Province · Nepal · 28.13° N · 82.30° E
Solar position in Tulsi̇̄pur
Sun position, daylight and the best solar panel angle for Tulsi̇̄pur — computed for 28.13° N, 82.30° E, 673 m above sea level.
The sun right now
Sun in Tulsi̇̄pur today
Sunday, 25 October 2026 · local time UTC+5:45
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:03 | sun 18° below horizon |
| Nautical dawn | 05:30 | 12° below |
| Civil dawn | 05:58 | 6° below |
| Sunrise | 06:22 | 103° ESE |
| Golden hour ends | 06:54 | sun 6° up |
| Solar noon | 11:59 | 49.8° high |
| Golden hour starts | 17:05 | sun 6° up |
| Sunset | 17:37 | 257° WSW |
| Civil dusk | 18:01 | 6° below |
| Nautical dusk | 18:28 | 12° below |
| Astronomical dusk | 18:56 | 18° below |
| Day length | 11 h 15 min | |
Sun path diagram for Tulsi̇̄pur
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 85.3° at solar noon in Tulsi̇̄pur; on the December solstice only 38.4°. Sunrise swings from 63° ENE in June to 116° ESE in December — a 54° 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 | 07:07 | 12:27 | 17:46 | 10 h 39 min | 42.0° |
| February | 06:48 | 12:29 | 18:10 | 11 h 22 min | 51.3° |
| March | 06:18 | 12:23 | 18:27 | 12 h 09 min | 62.1° |
| April | 05:45 | 12:14 | 18:44 | 12 h 59 min | 73.8° |
| May | 05:23 | 12:12 | 19:02 | 13 h 39 min | 82.1° |
| June | 05:19 | 12:17 | 19:15 | 13 h 56 min | 85.3° |
| July | 05:31 | 12:22 | 19:12 | 13 h 40 min | 82.3° |
| August | 05:48 | 12:18 | 18:48 | 13 h 00 min | 74.0° |
| September | 06:03 | 12:08 | 18:13 | 12 h 10 min | 62.5° |
| October | 06:19 | 12:00 | 17:40 | 11 h 21 min | 51.2° |
| November | 06:42 | 12:01 | 17:20 | 10 h 39 min | 42.0° |
| December | 07:03 | 12:13 | 17:24 | 10 h 21 min | 38.4° |
A year of daylight in Tulsi̇̄pur
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 Tulsi̇̄pur
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
29°collects the most energy over a year: 1577 kWh per kWp.
12°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° | 1416 | 90% | 3.45 | 1.8× |
| 12° off-grid best | 1522 | 97% | 3.41 | 1.6× |
| 15° | 1540 | 98% | 3.39 | 1.6× |
| 28° = latitude | 1577 | 100% | 3.20 | 1.7× |
| 29° year-round best | 1577 | 100% | 3.18 | 1.7× |
| 30° | 1577 | 100% | 3.16 | 1.7× |
| 45° | 1524 | 97% | 2.80 | 1.9× |
| 60° | 1387 | 88% | 2.31 | 2.1× |
| 70° | 1253 | 79% | 1.94 | 2.4× |
| 90° | 913 | 58% | 1.22 | 3.2× |
A fixed array in Tulsi̇̄pur produces the most over a year at 29°. The design month for an off-grid system is July: at 12° it makes 3.41 kWh per kWp a day, 7% more than at 29°, and costs 3% of the yearly total. Why steep panels win winter.
Off-grid solar in Tulsi̇̄pur at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 29° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 29° | Mean temp. |
|---|---|---|---|---|---|
| January | 3.44 | 4.69 | 4.08 | 3.99 | 10.2 °C |
| February | 4.48 | 5.11 | 4.39 | 4.73 | 13.2 °C |
| March | 5.76 | 5.12 | 4.32 | 5.37 | 17.9 °C |
| April | 6.43 | 4.12 | 3.39 | 5.18 | 23.3 °C |
| May | 6.42 | 3.25 | 2.63 | 4.70 | 26.1 °C |
| June | 5.56 | 2.70 | 2.16 | 3.95 | 27.0 °C |
| July | 4.34 | 2.41 | 1.94 | 3.18 | 24.7 °C |
| August | 4.52 | 2.81 | 2.29 | 3.48 | 23.7 °C |
| September | 4.55 | 3.47 | 2.86 | 3.84 | 22.4 °C |
| October | 4.75 | 4.90 | 4.12 | 4.68 | 19.3 °C |
| November | 4.03 | 5.41 | 4.61 | 4.58 | 15.4 °C |
| December | 3.45 | 5.18 | 4.48 | 4.21 | 11.7 °C |
| Year | 4.81 avg | 4.09 avg | 1253 kWh | 1577 kWh |
Sizing example. To run a 1 kWh-per-day load through July on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 610 Wp of panels at 70°, versus 370 Wp at 29°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Tulsi̇̄pur
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.
3.3 mrow pitch at 70°
3.1 mrow pitch at 29°
How Tulsi̇̄pur compares in Nepal
Against the other 45 places in Nepal with climate data, for a fixed array at its best angle.
14thof 46 places in Nepal for sunshine, shared: 4.81 peak sun hours a day on flat ground.
+2%solar energy a year compared with the average place in Nepal: 1,577 against 1,548 kWh per kWp.
+2 mindaylight on the longest day, compared with Kathmandu: 13 h 56 min against 13 h 54 min.
29°best year-round tilt here; across Nepal it runs from 25° in Rājbirāj to 31° in Dipayal.
Of the 46 places in Nepal, Dārchulā gets the most sun (5.04 peak sun hours a day) and Ilām the least (4.33); Tulsi̇̄pur ranks joint 14th. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 1.94 kWh a day here, against 1.97 kWh on average in Nepal. The shortest day lasts 10 h 21 min, −2 min compared with Kathmandu.
Solar forecast for Tulsi̇̄pur, 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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Questions about the sun in Tulsi̇̄pur
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Places near Tulsi̇̄pur
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A free, live card for Tulsi̇̄pur: 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.