West Bengal · India · 22.06° N · 88.11° E
Solar position in Haldia
Sun position, daylight and the best solar panel angle for Haldia — computed for 22.06° N, 88.11° E, 6 m above sea level.
The sun right now
Sun in Haldia today
Saturday, 24 October 2026 · local time UTC+5:30
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:22 | sun 18° below horizon |
| Nautical dawn | 04:48 | 12° below |
| Civil dawn | 05:14 | 6° below |
| Sunrise | 05:37 | 102° ESE |
| Golden hour ends | 06:07 | sun 6° up |
| Solar noon | 11:21 | 56.2° high |
| Golden hour starts | 16:35 | sun 6° up |
| Sunset | 17:05 | 258° WSW |
| Civil dusk | 17:28 | 6° below |
| Nautical dusk | 17:54 | 12° below |
| Astronomical dusk | 18:20 | 18° below |
| Day length | 11 h 29 min | |
Sun path diagram for Haldia
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 88.6° at solar noon in Haldia; on the December solstice only 44.5°. Sunrise swings from 64° ENE in June to 115° ESE in December — a 51° 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 | 06:18 | 11:48 | 17:19 | 11 h 00 min | 48.1° |
| February | 06:04 | 11:51 | 17:37 | 11 h 33 min | 57.4° |
| March | 05:41 | 11:44 | 17:48 | 12 h 08 min | 68.2° |
| April | 05:13 | 11:36 | 17:59 | 12 h 46 min | 79.8° |
| May | 04:56 | 11:34 | 18:12 | 13 h 16 min | 88.1° |
| June | 04:54 | 11:39 | 18:23 | 13 h 29 min | 88.6° |
| July | 05:05 | 11:44 | 18:22 | 13 h 17 min | 88.4° |
| August | 05:17 | 11:40 | 18:04 | 12 h 47 min | 80.0° |
| September | 05:25 | 11:30 | 17:35 | 12 h 09 min | 68.6° |
| October | 05:36 | 11:22 | 17:08 | 11 h 32 min | 57.2° |
| November | 05:53 | 11:23 | 16:53 | 11 h 00 min | 48.0° |
| December | 06:11 | 11:35 | 16:59 | 10 h 47 min | 44.5° |
A year of daylight in Haldia
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 Haldia
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
22°collects the most energy over a year: 1414 kWh per kWp.
10°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° | 1331 | 94% | 3.33 | 1.6× |
| 10° off-grid best | 1389 | 98% | 3.28 | 1.4× |
| 15° | 1406 | 99% | 3.23 | 1.4× |
| 22° year-round best = latitude | 1414 | 100% | 3.13 | 1.5× |
| 30° | 1404 | 99% | 2.98 | 1.5× |
| 45° | 1328 | 94% | 2.60 | 1.7× |
| 60° | 1182 | 84% | 2.11 | 2.0× |
| 70° | 1051 | 74% | 1.74 | 2.2× |
| 90° | 747 | 53% | 1.15 | 2.7× |
A fixed array in Haldia produces the most over a year at 22°. The design month for an off-grid system is July: at 10° it makes 3.28 kWh per kWp a day, 5% more than at 22°, and costs 2% of the yearly total. Why steep panels win winter.
Off-grid solar in Haldia at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 22° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 22° | Mean temp. |
|---|---|---|---|---|---|
| January | 3.84 | 4.46 | 3.75 | 3.83 | 18.9 °C |
| February | 4.72 | 4.66 | 3.86 | 4.40 | 22.7 °C |
| March | 5.43 | 4.21 | 3.42 | 4.60 | 27.1 °C |
| April | 5.94 | 3.45 | 2.76 | 4.60 | 30.1 °C |
| May | 5.83 | 2.75 | 2.17 | 4.27 | 30.7 °C |
| June | 4.64 | 2.23 | 1.75 | 3.36 | 29.8 °C |
| July | 4.26 | 2.21 | 1.74 | 3.13 | 28.8 °C |
| August | 4.31 | 2.51 | 2.00 | 3.27 | 28.4 °C |
| September | 4.45 | 3.09 | 2.48 | 3.58 | 28.1 °C |
| October | 4.39 | 3.87 | 3.14 | 3.85 | 27.0 °C |
| November | 4.12 | 4.64 | 3.83 | 4.01 | 23.5 °C |
| December | 3.60 | 4.42 | 3.71 | 3.66 | 19.7 °C |
| Year | 4.63 avg | 3.54 avg | 1051 kWh | 1414 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 680 Wp of panels at 70°, versus 380 Wp at 22°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Haldia
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.
2.8 mrow pitch at 70°
2.7 mrow pitch at 22°
How Haldia compares in India
Against the other 3,734 places in India with climate data, for a fixed array at its best angle.
3496thof 3,735 places in India for sunshine, shared: 4.63 peak sun hours a day on flat ground.
−10%solar energy a year compared with the average place in India: 1,414 against 1,575 kWh per kWp.
+12 mindaylight on the longest day, compared with Mumbai: 13 h 29 min against 13 h 17 min.
22°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); Haldia ranks joint 3496th. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 1.74 kWh a day here, against 1.70 kWh on average in India. The shortest day lasts 10 h 47 min, −12 min compared with Mumbai.
Solar forecast for Haldia, 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 Haldia
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Places near Haldia
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A free, live card for Haldia: 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.