Andhra Pradesh · India · 14.91° N · 78.01° E
Solar position in Tadpatri
Sun position, daylight and the best solar panel angle for Tadpatri — computed for 14.91° N, 78.01° E, 240 m above sea level.
The sun right now
Sun in Tadpatri today
Saturday, 24 October 2026 · local time UTC+5:30
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:59 | sun 18° below horizon |
| Nautical dawn | 05:24 | 12° below |
| Civil dawn | 05:49 | 6° below |
| Sunrise | 06:11 | 102° ESE |
| Golden hour ends | 06:40 | sun 6° up |
| Solar noon | 12:02 | 63.3° high |
| Golden hour starts | 17:23 | sun 6° up |
| Sunset | 17:52 | 258° WSW |
| Civil dusk | 18:14 | 6° below |
| Nautical dusk | 18:39 | 12° below |
| Astronomical dusk | 19:04 | 18° below |
| Day length | 11 h 42 min | |
Sun path diagram for Tadpatri
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 81.5° at solar noon in Tadpatri; on the December solstice only 51.7°. 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 | 06:47 | 12:29 | 18:10 | 11 h 23 min | 55.2° |
| February | 06:39 | 12:31 | 18:23 | 11 h 44 min | 64.6° |
| March | 06:21 | 12:25 | 18:28 | 12 h 07 min | 75.4° |
| April | 06:00 | 12:16 | 18:33 | 12 h 33 min | 87.0° |
| May | 05:48 | 12:14 | 18:40 | 12 h 52 min | 84.7° |
| June | 05:49 | 12:19 | 18:50 | 13 h 01 min | 81.5° |
| July | 05:57 | 12:24 | 18:50 | 12 h 53 min | 84.5° |
| August | 06:04 | 12:21 | 18:37 | 12 h 33 min | 87.2° |
| September | 06:06 | 12:11 | 18:15 | 12 h 08 min | 75.8° |
| October | 06:10 | 12:02 | 17:54 | 11 h 44 min | 64.4° |
| November | 06:22 | 12:03 | 17:45 | 11 h 23 min | 55.2° |
| December | 06:38 | 12:15 | 17:53 | 11 h 15 min | 51.7° |
A year of daylight in Tadpatri
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 Tadpatri
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
16°collects the most energy over a year: 1645 kWh per kWp.
3°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° | 1591 | 97% | 3.86 | 1.4× |
| 3° off-grid best | 1610 | 98% | 3.84 | 1.4× |
| 15° = latitude | 1644 | 100% | 3.65 | 1.5× |
| 16° year-round best | 1645 | 100% | 3.63 | 1.5× |
| 30° | 1605 | 98% | 3.27 | 1.7× |
| 45° | 1477 | 90% | 2.73 | 2.0× |
| 60° | 1269 | 77% | 2.08 | 2.4× |
| 70° | 1095 | 67% | 1.63 | 3.0× |
| 90° | 748 | 45% | 1.18 | 3.5× |
A fixed array in Tadpatri produces the most over a year at 16°. The design month for an off-grid system is July: at 3° it makes 3.84 kWh per kWp a day, 6% more than at 16°, and costs 2% of the yearly total. Why steep panels win winter.
Off-grid solar in Tadpatri at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 16° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 16° | Mean temp. |
|---|---|---|---|---|---|
| January | 5.23 | 5.70 | 4.71 | 4.88 | 23.2 °C |
| February | 6.10 | 5.49 | 4.48 | 5.37 | 25.9 °C |
| March | 6.58 | 4.43 | 3.57 | 5.36 | 29.6 °C |
| April | 6.80 | 3.12 | 2.47 | 5.15 | 32.1 °C |
| May | 6.55 | 2.23 | 1.74 | 4.74 | 31.9 °C |
| June | 5.60 | 1.99 | 1.57 | 4.08 | 28.2 °C |
| July | 4.89 | 2.06 | 1.63 | 3.63 | 27.2 °C |
| August | 4.95 | 2.41 | 1.93 | 3.78 | 26.7 °C |
| September | 5.15 | 3.13 | 2.54 | 4.13 | 26.1 °C |
| October | 5.05 | 3.96 | 3.24 | 4.29 | 25.2 °C |
| November | 4.77 | 4.73 | 3.90 | 4.32 | 23.5 °C |
| December | 4.67 | 5.21 | 4.32 | 4.39 | 22.3 °C |
| Year | 5.52 avg | 3.70 avg | 1095 kWh | 1645 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 750 Wp of panels at 70°, versus 320 Wp at 16°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Tadpatri
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.
2.3 mrow pitch at 70°
2.4 mrow pitch at 16°
How Tadpatri compares in India
Against the other 3,734 places in India with climate data, for a fixed array at its best angle.
138thof 3,735 places in India for sunshine, shared: 5.52 peak sun hours a day on flat ground.
+4%solar energy a year compared with the average place in India: 1,645 against 1,575 kWh per kWp.
−16 mindaylight on the longest day, compared with Mumbai: 13 h 01 min against 13 h 17 min.
16°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); Tadpatri ranks joint 138th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.57 kWh a day here, against 1.70 kWh on average in India. The shortest day lasts 11 h 15 min, +16 min compared with Mumbai.
Solar forecast for Tadpatri, 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 Tadpatri
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Places near Tadpatri
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A free, live card for Tadpatri: 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.