Calabarzon · Philippines · 13.59° N · 122.32° E
Solar position in Catanauan
Sun position, daylight and the best solar panel angle for Catanauan — computed for 13.59° N, 122.32° E, 7 m above sea level.
The sun right now
Sun in Catanauan today
Sunday, 25 October 2026 · local time UTC+8
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:31 | sun 18° below horizon |
| Nautical dawn | 04:56 | 12° below |
| Civil dawn | 05:21 | 6° below |
| Sunrise | 05:43 | 102° ESE |
| Golden hour ends | 06:12 | sun 6° up |
| Solar noon | 11:34 | 64.3° high |
| Golden hour starts | 16:57 | sun 6° up |
| Sunset | 17:26 | 258° WSW |
| Civil dusk | 17:48 | 6° below |
| Nautical dusk | 18:13 | 12° below |
| Astronomical dusk | 18:38 | 18° below |
| Day length | 11 h 43 min | |
Sun path diagram for Catanauan
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 80.2° at solar noon in Catanauan; on the December solstice only 53.0°. 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 | 06:18 | 12:01 | 17:45 | 11 h 27 min | 56.5° |
| February | 06:11 | 12:04 | 17:57 | 11 h 46 min | 65.8° |
| March | 05:54 | 11:58 | 18:01 | 12 h 07 min | 76.6° |
| April | 05:34 | 11:49 | 18:04 | 12 h 30 min | 88.3° |
| May | 05:23 | 11:47 | 18:11 | 12 h 48 min | 83.4° |
| June | 05:24 | 11:52 | 18:20 | 12 h 56 min | 80.2° |
| July | 05:32 | 11:57 | 18:21 | 12 h 49 min | 83.1° |
| August | 05:38 | 11:53 | 18:09 | 12 h 31 min | 88.5° |
| September | 05:39 | 11:43 | 17:47 | 12 h 08 min | 77.1° |
| October | 05:42 | 11:35 | 17:28 | 11 h 46 min | 65.7° |
| November | 05:52 | 11:36 | 17:20 | 11 h 27 min | 56.5° |
| December | 06:08 | 11:48 | 17:28 | 11 h 20 min | 53.0° |
A year of daylight in Catanauan
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 Catanauan
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: 1467 kWh per kWp.
23°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° | 1443 | 98% | 2.95 | 1.7× |
| 12° year-round best | 1467 | 100% | 3.29 | 1.5× |
| 14° = latitude | 1466 | 100% | 3.33 | 1.5× |
| 15° | 1465 | 100% | 3.35 | 1.5× |
| 23° off-grid best | 1443 | 98% | 3.49 | 1.4× |
| 30° | 1406 | 96% | 3.57 | 1.4× |
| 45° | 1270 | 87% | 3.58 | 1.6× |
| 60° | 1068 | 73% | 3.39 | 2.0× |
| 70° | 908 | 62% | 3.16 | 2.5× |
| 90° | 610 | 42% | 2.46 | 2.6× |
A fixed array in Catanauan produces the most over a year at 12°. The design month for an off-grid system is December: at 23° it makes 3.49 kWh per kWp a day, 6% more than at 12°, and costs 2% of the yearly total. Why steep panels win winter.
Off-grid solar in Catanauan 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 | 4.05 | 4.03 | 3.30 | 3.54 | 25.7 °C |
| February | 4.93 | 4.19 | 3.43 | 4.21 | 25.8 °C |
| March | 5.67 | 3.73 | 3.03 | 4.64 | 26.8 °C |
| April | 6.39 | 2.82 | 2.25 | 4.96 | 28.3 °C |
| May | 5.95 | 2.00 | 1.57 | 4.46 | 29.2 °C |
| June | 5.49 | 1.76 | 1.37 | 4.07 | 28.7 °C |
| July | 5.04 | 1.88 | 1.47 | 3.78 | 28.0 °C |
| August | 5.01 | 2.31 | 1.83 | 3.86 | 27.9 °C |
| September | 5.02 | 2.98 | 2.39 | 4.00 | 27.9 °C |
| October | 4.57 | 3.49 | 2.82 | 3.78 | 27.7 °C |
| November | 4.26 | 4.05 | 3.29 | 3.67 | 27.4 °C |
| December | 3.76 | 3.88 | 3.16 | 3.29 | 26.5 °C |
| Year | 5.01 avg | 3.08 avg | 908 kWh | 1467 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 860 Wp of panels at 70°, versus 360 Wp at 12°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Catanauan
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°
2.3 mrow pitch at 12°
How Catanauan compares in the Philippines
Against the other 519 places in the Philippines with climate data, for a fixed array at its best angle.
239thof 520 places in the Philippines for sunshine, shared: 5.01 peak sun hours a day on flat ground.
±0%solar energy a year compared with the average place in the Philippines: 1,467 against 1,467 kWh per kWp.
−4 mindaylight on the longest day, compared with Quezon City: 12 h 56 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); Catanauan ranks joint 239th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.38 kWh a day here, against 1.34 kWh on average in the Philippines. The shortest day lasts 11 h 20 min, +4 min compared with Quezon City.
Solar forecast for Catanauan, next 48 hours
Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.
Loading the latest forecast…
Questions about the sun in Catanauan
What is the best solar panel angle in Catanauan?
What time is sunrise and sunset in Catanauan today?
How many peak sun hours does Catanauan get?
How high does the sun get in Catanauan?
Is Catanauan a good place for solar panels?
Places near Catanauan
Put this on your site
A free, live card for Catanauan: 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.