Bihar · India · 25.58° N · 85.05° E
Solar position in Khagaul
Sun position, daylight and the best solar panel angle for Khagaul — computed for 25.58° N, 85.05° E, 61 m above sea level.
The sun right now
Sun in Khagaul today
Sunday, 25 October 2026 · local time UTC+5:30
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:36 | sun 18° below horizon |
| Nautical dawn | 05:03 | 12° below |
| Civil dawn | 05:30 | 6° below |
| Sunrise | 05:53 | 103° ESE |
| Golden hour ends | 06:24 | sun 6° up |
| Solar noon | 11:33 | 52.3° high |
| Golden hour starts | 16:42 | sun 6° up |
| Sunset | 17:13 | 257° WSW |
| Civil dusk | 17:37 | 6° below |
| Nautical dusk | 18:04 | 12° below |
| Astronomical dusk | 18:31 | 18° below |
| Day length | 11 h 20 min | |
Sun path diagram for Khagaul
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 87.9° at solar noon in Khagaul; on the December solstice only 41.0°. Sunrise swings from 63° ENE in June to 116° ESE in December — a 52° 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 | 06:36 | 12:01 | 17:25 | 10 h 48 min | 44.5° |
| February | 06:20 | 12:03 | 17:46 | 11 h 27 min | 53.9° |
| March | 05:53 | 11:57 | 18:01 | 12 h 08 min | 64.7° |
| April | 05:21 | 11:48 | 18:15 | 12 h 54 min | 76.3° |
| May | 05:01 | 11:46 | 18:31 | 13 h 29 min | 84.6° |
| June | 04:59 | 11:51 | 18:43 | 13 h 44 min | 87.9° |
| July | 05:10 | 11:56 | 18:41 | 13 h 30 min | 84.9° |
| August | 05:25 | 11:52 | 18:20 | 12 h 55 min | 76.5° |
| September | 05:37 | 11:42 | 17:47 | 12 h 10 min | 65.1° |
| October | 05:51 | 11:34 | 17:17 | 11 h 26 min | 53.7° |
| November | 06:11 | 11:35 | 16:59 | 10 h 48 min | 44.5° |
| December | 06:31 | 11:47 | 17:04 | 10 h 33 min | 41.0° |
A year of daylight in Khagaul
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 Khagaul
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
24°collects the most energy over a year: 1471 kWh per kWp.
28°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 | December kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1370 | 93% | 2.44 | 2.0× |
| 15° | 1458 | 99% | 2.97 | 1.7× |
| 24° year-round best | 1471 | 100% | 3.21 | 1.6× |
| 26° = latitude | 1471 | 100% | 3.25 | 1.5× |
| 28° off-grid best | 1468 | 100% | 3.29 | 1.5× |
| 30° | 1464 | 100% | 3.33 | 1.6× |
| 45° | 1390 | 94% | 3.49 | 1.7× |
| 60° | 1240 | 84% | 3.45 | 1.9× |
| 70° | 1103 | 75% | 3.31 | 2.1× |
| 90° | 777 | 53% | 2.77 | 2.8× |
A fixed array in Khagaul produces the most over a year at 24°. The design month for an off-grid system is December: at 28° it makes 3.29 kWh per kWp a day, 3% more than at 24°, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Khagaul at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 24° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 24° | Mean temp. |
|---|---|---|---|---|---|
| January | 3.14 | 3.77 | 3.21 | 3.23 | 15.6 °C |
| February | 4.46 | 4.75 | 3.97 | 4.35 | 20.0 °C |
| March | 5.72 | 4.81 | 3.92 | 5.02 | 26.2 °C |
| April | 6.43 | 3.92 | 3.11 | 5.00 | 32.1 °C |
| May | 6.40 | 3.07 | 2.39 | 4.60 | 34.8 °C |
| June | 5.54 | 2.58 | 2.00 | 3.91 | 34.4 °C |
| July | 4.61 | 2.39 | 1.88 | 3.36 | 30.3 °C |
| August | 4.86 | 2.85 | 2.27 | 3.71 | 29.2 °C |
| September | 4.66 | 3.42 | 2.75 | 3.83 | 28.0 °C |
| October | 4.57 | 4.41 | 3.61 | 4.21 | 25.5 °C |
| November | 3.89 | 4.72 | 3.94 | 3.98 | 20.9 °C |
| December | 3.03 | 3.90 | 3.31 | 3.21 | 16.6 °C |
| Year | 4.77 avg | 3.71 avg | 1103 kWh | 1471 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 630 Wp of panels at 70°, versus 370 Wp at 24°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Khagaul
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.
3.1 mrow pitch at 70°
2.9 mrow pitch at 24°
How Khagaul compares in India
Against the other 3,734 places in India with climate data, for a fixed array at its best angle.
3231stof 3,735 places in India for sunshine, shared: 4.78 peak sun hours a day on flat ground.
−7%solar energy a year compared with the average place in India: 1,471 against 1,575 kWh per kWp.
+27 mindaylight on the longest day, compared with Mumbai: 13 h 44 min against 13 h 17 min.
24°best year-round tilt here; across India it runs from 8° in Tirunelveli to 33° in Leh.
Of the 3,735 places in India, Balotra gets the most sun (5.73 peak sun hours a day) and Jining the least (3.68); Khagaul ranks joint 3231st. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 1.88 kWh a day here, against 1.70 kWh on average in India. The shortest day lasts 10 h 33 min, −26 min compared with Mumbai.
Solar forecast for Khagaul, 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 Khagaul
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A free, live card for Khagaul: 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.