Caraga · Philippines · 8.22° N · 126.32° E
Solar position in Bislig
Sun position, daylight and the best solar panel angle for Bislig — computed for 8.22° N, 126.32° E, 11 m above sea level.
The sun right now
Sun in Bislig today
Sunday, 25 October 2026 · local time UTC+8
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:11 | sun 18° below horizon |
| Nautical dawn | 04:36 | 12° below |
| Civil dawn | 05:01 | 6° below |
| Sunrise | 05:22 | 102° ESE |
| Golden hour ends | 05:50 | sun 6° up |
| Solar noon | 11:18 | 69.7° high |
| Golden hour starts | 16:46 | sun 6° up |
| Sunset | 17:15 | 258° WSW |
| Civil dusk | 17:36 | 6° below |
| Nautical dusk | 18:01 | 12° below |
| Astronomical dusk | 18:25 | 18° below |
| Day length | 11 h 53 min | |
Sun path diagram for Bislig
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 74.8° at solar noon in Bislig; on the December solstice only 58.4°. Sunrise swings from 66° ENE in June to 114° ESE in December — a 47° 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 | 05:54 | 11:45 | 17:37 | 11 h 43 min | 61.9° |
| February | 05:51 | 11:48 | 17:45 | 11 h 54 min | 71.2° |
| March | 05:38 | 11:42 | 17:45 | 12 h 07 min | 82.0° |
| April | 05:23 | 11:33 | 17:43 | 12 h 21 min | 86.4° |
| May | 05:15 | 11:31 | 17:47 | 12 h 32 min | 78.0° |
| June | 05:18 | 11:36 | 17:54 | 12 h 36 min | 74.8° |
| July | 05:25 | 11:41 | 17:57 | 12 h 32 min | 77.7° |
| August | 05:27 | 11:38 | 17:48 | 12 h 21 min | 86.1° |
| September | 05:24 | 11:27 | 17:31 | 12 h 07 min | 82.5° |
| October | 05:22 | 11:19 | 17:16 | 11 h 54 min | 71.1° |
| November | 05:28 | 11:20 | 17:12 | 11 h 43 min | 61.9° |
| December | 05:43 | 11:32 | 17:22 | 11 h 39 min | 58.4° |
A year of daylight in Bislig
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 Bislig
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
7°collects the most energy over a year: 1422 kWh per kWp.
18°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 | January kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1415 | 99% | 3.14 | 1.4× |
| 7° year-round best | 1422 | 100% | 3.29 | 1.3× |
| 8° = latitude | 1422 | 100% | 3.31 | 1.3× |
| 15° | 1410 | 99% | 3.42 | 1.2× |
| 18° off-grid best | 1399 | 98% | 3.46 | 1.2× |
| 30° | 1328 | 93% | 3.52 | 1.3× |
| 45° | 1176 | 83% | 3.43 | 1.6× |
| 60° | 966 | 68% | 3.15 | 2.2× |
| 70° | 808 | 57% | 2.87 | 2.7× |
| 90° | 548 | 39% | 2.12 | 2.4× |
A fixed array in Bislig produces the most over a year at 7°. The design month for an off-grid system is January: at 18° it makes 3.46 kWh per kWp a day, 5% more than at 7°, and costs 2% of the yearly total. Why steep panels win winter.
Off-grid solar in Bislig at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 7° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 7° | Mean temp. |
|---|---|---|---|---|---|
| January | 3.97 | 3.53 | 2.87 | 3.29 | 26.0 °C |
| February | 4.60 | 3.50 | 2.85 | 3.78 | 25.8 °C |
| March | 5.22 | 3.10 | 2.52 | 4.21 | 26.1 °C |
| April | 5.55 | 2.24 | 1.79 | 4.36 | 26.7 °C |
| May | 5.34 | 1.64 | 1.29 | 4.10 | 27.3 °C |
| June | 4.98 | 1.50 | 1.17 | 3.80 | 27.1 °C |
| July | 4.98 | 1.60 | 1.25 | 3.81 | 26.9 °C |
| August | 5.23 | 2.01 | 1.60 | 4.06 | 27.0 °C |
| September | 5.26 | 2.78 | 2.23 | 4.18 | 27.0 °C |
| October | 5.04 | 3.50 | 2.84 | 4.09 | 27.0 °C |
| November | 4.42 | 3.79 | 3.08 | 3.66 | 26.7 °C |
| December | 4.10 | 3.84 | 3.12 | 3.42 | 26.4 °C |
| Year | 4.89 avg | 2.75 avg | 808 kWh | 1422 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 1,010 Wp of panels at 70°, versus 360 Wp at 7°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Bislig
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.
2.0 mrow pitch at 70°
2.2 mrow pitch at 7°
How Bislig compares in the Philippines
Against the other 519 places in the Philippines with climate data, for a fixed array at its best angle.
390thof 520 places in the Philippines for sunshine, shared: 4.89 peak sun hours a day on flat ground.
−3%solar energy a year compared with the average place in the Philippines: 1,422 against 1,467 kWh per kWp.
−24 mindaylight on the longest day, compared with Quezon City: 12 h 36 min against 13 h 00 min.
7°best year-round tilt here; across the Philippines it runs from 4° in Bongao to 18° in Vigan.
Of the 520 places in the Philippines, Jolo gets the most sun (5.36 peak sun hours a day) and Pangil the least (4.68); Bislig ranks joint 390th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.17 kWh a day here, against 1.34 kWh on average in the Philippines. The shortest day lasts 11 h 39 min, +23 min compared with Quezon City.
Solar forecast for Bislig, 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 Bislig
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Places near Bislig
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A free, live card for Bislig: 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.