Singapore · 1.40° N · 103.75° E
Solar position in Yew Tee
Sun position, daylight and the best solar panel angle for Yew Tee — computed for 1.40° N, 103.75° E, 1 m above sea level.
The sun right now
Sun in Yew Tee today
Sunday, 25 October 2026 · local time UTC+8
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:36 | sun 18° below horizon |
| Nautical dawn | 06:01 | 12° below |
| Civil dawn | 06:25 | 6° below |
| Sunrise | 06:46 | 102° ESE |
| Golden hour ends | 07:14 | sun 6° up |
| Solar noon | 12:49 | 76.5° high |
| Golden hour starts | 18:23 | sun 6° up |
| Sunset | 18:51 | 258° WSW |
| Civil dusk | 19:12 | 6° below |
| Nautical dusk | 19:36 | 12° below |
| Astronomical dusk | 20:01 | 18° below |
| Day length | 12 h 04 min | |
Sun path diagram for Yew Tee
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 68.0° at solar noon in Yew Tee; on the December solstice only 65.2°. Sunrise swings from 67° ENE in June to 113° 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 | 07:14 | 13:16 | 19:17 | 12 h 03 min | 68.7° |
| February | 07:16 | 13:18 | 19:20 | 12 h 05 min | 78.1° |
| March | 07:08 | 13:12 | 19:15 | 12 h 07 min | 88.8° |
| April | 06:59 | 13:03 | 19:08 | 12 h 09 min | 79.5° |
| May | 06:55 | 13:01 | 19:07 | 12 h 11 min | 71.2° |
| June | 07:00 | 13:06 | 19:12 | 12 h 12 min | 68.0° |
| July | 07:05 | 13:11 | 19:17 | 12 h 11 min | 70.9° |
| August | 07:03 | 13:08 | 19:12 | 12 h 09 min | 79.3° |
| September | 06:54 | 12:58 | 19:01 | 12 h 07 min | 89.3° |
| October | 06:47 | 12:49 | 18:51 | 12 h 05 min | 77.9° |
| November | 06:49 | 12:50 | 18:52 | 12 h 03 min | 68.7° |
| December | 07:01 | 13:02 | 19:04 | 12 h 03 min | 65.2° |
A year of daylight in Yew Tee
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 Yew Tee
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
1°collects the most energy over a year: 1335 kWh per kWp.
5°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° | 1335 | 100% | 3.27 | 1.3× |
| 1° year-round best = latitude | 1335 | 100% | 3.29 | 1.3× |
| 5° off-grid best | 1332 | 100% | 3.36 | 1.3× |
| 15° | 1302 | 98% | 3.47 | 1.4× |
| 30° | 1203 | 90% | 3.49 | 1.6× |
| 45° | 1044 | 78% | 3.34 | 2.0× |
| 60° | 840 | 63% | 3.01 | 2.6× |
| 70° | 706 | 53% | 2.71 | 2.7× |
| 90° | 490 | 37% | 1.96 | 2.1× |
A fixed array in Yew Tee produces the most over a year at 1°. The design month for an off-grid system is December: at 5° it makes 3.36 kWh per kWp a day, 2% more than at 1°, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Yew Tee at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 1° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 1° | Mean temp. |
|---|---|---|---|---|---|
| January | 4.55 | 3.57 | 2.91 | 3.62 | 26.4 °C |
| February | 5.22 | 3.52 | 2.85 | 4.15 | 26.6 °C |
| March | 5.23 | 2.77 | 2.23 | 4.14 | 27.3 °C |
| April | 5.05 | 1.86 | 1.47 | 3.97 | 28.1 °C |
| May | 4.68 | 1.43 | 1.10 | 3.66 | 28.4 °C |
| June | 4.44 | 1.39 | 1.08 | 3.47 | 28.0 °C |
| July | 4.45 | 1.41 | 1.09 | 3.49 | 27.6 °C |
| August | 4.57 | 1.58 | 1.24 | 3.59 | 27.5 °C |
| September | 4.51 | 2.18 | 1.74 | 3.56 | 27.6 °C |
| October | 4.53 | 2.82 | 2.27 | 3.58 | 27.7 °C |
| November | 4.29 | 3.21 | 2.59 | 3.40 | 27.3 °C |
| December | 4.16 | 3.35 | 2.71 | 3.29 | 26.7 °C |
| Year | 4.64 avg | 2.42 avg | 706 kWh | 1335 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 1,090 Wp of panels at 70°, versus 360 Wp at 1°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Yew Tee
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.
1.7 mrow pitch at 70°
2.0 mrow pitch at 1°
How Yew Tee compares in Singapore
Against the other 30 places in Singapore with climate data, for a fixed array at its best angle.
20thof 31 places in Singapore for sunshine, shared: 4.64 peak sun hours a day on flat ground.
±0%solar energy a year compared with the average place in Singapore: 1,335 against 1,339 kWh per kWp.
±0 mindaylight on the longest day, compared with Singapore: 12 h 12 min against 12 h 12 min.
1°best year-round tilt here, the same everywhere in Singapore.
Of the 31 places in Singapore, Kampong Loyang and 3 other places get the most sun (4.68 peak sun hours a day) and Boon Lay the least (4.61); Yew Tee ranks joint 20th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.08 kWh a day here, against 1.07 kWh on average in Singapore. The shortest day lasts 12 h 03 min, ±0 min compared with Singapore.
Solar forecast for Yew Tee, 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 Yew Tee
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Places near Yew Tee
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A free, live card for Yew Tee: 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.