Mimaropa · Philippines · 12.52° N · 121.44° E
Solar position in Mansalay
Sun position, daylight and the best solar panel angle for Mansalay — computed for 12.52° N, 121.44° E, 18 m above sea level.
The sun right now
Sun in Mansalay today
Sunday, 25 October 2026 · local time UTC+8
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:34 | sun 18° below horizon |
| Nautical dawn | 04:59 | 12° below |
| Civil dawn | 05:24 | 6° below |
| Sunrise | 05:45 | 102° ESE |
| Golden hour ends | 06:14 | sun 6° up |
| Solar noon | 11:38 | 65.4° high |
| Golden hour starts | 17:02 | sun 6° up |
| Sunset | 17:30 | 258° WSW |
| Civil dusk | 17:52 | 6° below |
| Nautical dusk | 18:17 | 12° below |
| Astronomical dusk | 18:42 | 18° below |
| Day length | 11 h 45 min | |
Sun path diagram for Mansalay
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 79.1° at solar noon in Mansalay; on the December solstice only 54.1°. Sunrise swings from 66° ENE in June to 114° ESE in December — a 48° 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 | 06:20 | 12:05 | 17:50 | 11 h 30 min | 57.6° |
| February | 06:13 | 12:07 | 18:01 | 11 h 48 min | 66.9° |
| March | 05:58 | 12:01 | 18:05 | 12 h 07 min | 77.7° |
| April | 05:38 | 11:53 | 18:07 | 12 h 28 min | 89.3° |
| May | 05:28 | 11:50 | 18:13 | 12 h 45 min | 82.3° |
| June | 05:30 | 11:55 | 18:21 | 12 h 52 min | 79.1° |
| July | 05:37 | 12:00 | 18:23 | 12 h 45 min | 82.1° |
| August | 05:43 | 11:57 | 18:11 | 12 h 29 min | 89.6° |
| September | 05:43 | 11:47 | 17:51 | 12 h 08 min | 78.2° |
| October | 05:45 | 11:38 | 17:32 | 11 h 48 min | 66.8° |
| November | 05:54 | 11:39 | 17:25 | 11 h 30 min | 57.6° |
| December | 06:10 | 11:52 | 17:33 | 11 h 23 min | 54.1° |
A year of daylight in Mansalay
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 Mansalay
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
12°collects the most energy over a year: 1502 kWh per kWp.
9°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° | 1473 | 98% | 3.71 | 1.6× |
| 9° off-grid best | 1500 | 100% | 3.59 | 1.4× |
| 12° year-round best | 1502 | 100% | 3.53 | 1.4× |
| 13° = latitude | 1502 | 100% | 3.51 | 1.4× |
| 15° | 1501 | 100% | 3.47 | 1.4× |
| 30° | 1444 | 96% | 3.05 | 1.6× |
| 45° | 1309 | 87% | 2.48 | 1.8× |
| 60° | 1104 | 74% | 1.82 | 2.3× |
| 70° | 940 | 63% | 1.39 | 2.8× |
| 90° | 633 | 42% | 1.05 | 3.0× |
A fixed array in Mansalay produces the most over a year at 12°. The design month for an off-grid system is July: at 9° it makes 3.59 kWh per kWp a day, 2% more than at 12°, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Mansalay at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 12° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 12° | Mean temp. |
|---|---|---|---|---|---|
| January | 4.54 | 4.55 | 3.73 | 3.99 | 25.6 °C |
| February | 5.39 | 4.54 | 3.71 | 4.60 | 25.8 °C |
| March | 6.05 | 3.87 | 3.15 | 4.95 | 26.7 °C |
| April | 6.51 | 2.75 | 2.20 | 5.04 | 28.1 °C |
| May | 5.85 | 1.93 | 1.51 | 4.38 | 28.6 °C |
| June | 5.18 | 1.70 | 1.33 | 3.85 | 28.0 °C |
| July | 4.70 | 1.77 | 1.39 | 3.53 | 27.4 °C |
| August | 4.67 | 2.12 | 1.68 | 3.59 | 27.3 °C |
| September | 4.83 | 2.82 | 2.27 | 3.84 | 27.3 °C |
| October | 4.79 | 3.60 | 2.91 | 3.97 | 27.3 °C |
| November | 4.65 | 4.39 | 3.57 | 4.02 | 27.2 °C |
| December | 4.18 | 4.33 | 3.53 | 3.68 | 26.4 °C |
| Year | 5.11 avg | 3.19 avg | 940 kWh | 1502 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 890 Wp of panels at 70°, versus 330 Wp at 12°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Mansalay
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.
2.2 mrow pitch at 70°
2.3 mrow pitch at 12°
How Mansalay compares in the Philippines
Against the other 519 places in the Philippines with climate data, for a fixed array at its best angle.
77thof 520 places in the Philippines for sunshine, shared: 5.11 peak sun hours a day on flat ground.
+2%solar energy a year compared with the average place in the Philippines: 1,502 against 1,467 kWh per kWp.
−8 mindaylight on the longest day, compared with Quezon City: 12 h 52 min against 13 h 00 min.
12°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); Mansalay ranks joint 77th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.33 kWh a day here, against 1.34 kWh on average in the Philippines. The shortest day lasts 11 h 23 min, +8 min compared with Quezon City.
Solar forecast for Mansalay, 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 Mansalay
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A free, live card for Mansalay: 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.