Cayman Islands · 19.38° N · 81.39° W
Solar position in West Bay
Sun position, daylight and the best solar panel angle for West Bay — computed for 19.38° N, 81.39° W, 5 m above sea level.
The sun right now
Sun in West Bay today
Saturday, 24 October 2026 · local time UTC−5
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:09 | sun 18° below horizon |
| Nautical dawn | 05:34 | 12° below |
| Civil dawn | 06:00 | 6° below |
| Sunrise | 06:23 | 102° ESE |
| Golden hour ends | 06:52 | sun 6° up |
| Solar noon | 12:09 | 58.7° high |
| Golden hour starts | 17:26 | sun 6° up |
| Sunset | 17:56 | 258° WSW |
| Civil dusk | 18:18 | 6° below |
| Nautical dusk | 18:44 | 12° below |
| Astronomical dusk | 19:09 | 18° below |
| Day length | 11 h 33 min | |
Sun path diagram for West Bay
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 85.9° at solar noon in West Bay; on the December solstice only 47.2°. Sunrise swings from 65° ENE in June to 115° ESE in December — a 50° 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 | 07:02 | 12:37 | 18:11 | 11 h 10 min | 50.8° |
| February | 06:50 | 12:39 | 18:28 | 11 h 38 min | 60.3° |
| March | 06:28 | 12:32 | 18:36 | 12 h 08 min | 71.1° |
| April | 06:03 | 12:24 | 18:45 | 12 h 42 min | 82.7° |
| May | 05:48 | 12:22 | 18:55 | 13 h 07 min | 89.1° |
| June | 05:48 | 12:27 | 19:06 | 13 h 18 min | 85.9° |
| July | 05:58 | 12:32 | 19:05 | 13 h 08 min | 89.0° |
| August | 06:07 | 12:28 | 18:49 | 12 h 41 min | 82.6° |
| September | 06:14 | 12:18 | 18:22 | 12 h 08 min | 71.1° |
| October | 06:21 | 12:10 | 17:58 | 11 h 36 min | 59.7° |
| November | 06:37 | 12:11 | 17:45 | 11 h 09 min | 50.6° |
| December | 06:54 | 12:23 | 17:52 | 10 h 58 min | 47.2° |
A year of daylight in West Bay
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 West Bay
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
18°collects the most energy over a year: 1671 kWh per kWp.
24°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 | November kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1601 | 96% | 3.42 | 1.6× |
| 15° | 1669 | 100% | 3.97 | 1.3× |
| 18° year-round best | 1671 | 100% | 4.05 | 1.3× |
| 19° = latitude | 1671 | 100% | 4.07 | 1.3× |
| 24° off-grid best | 1663 | 100% | 4.18 | 1.3× |
| 30° | 1640 | 98% | 4.28 | 1.3× |
| 45° | 1518 | 91% | 4.34 | 1.6× |
| 60° | 1311 | 78% | 4.14 | 2.0× |
| 70° | 1136 | 68% | 3.88 | 2.4× |
| 90° | 766 | 46% | 3.04 | 3.3× |
A fixed array in West Bay produces the most over a year at 18°. The design month for an off-grid system is November: at 24° it makes 4.18 kWh per kWp a day, 3% more than at 18°, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in West Bay at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 18° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 18° | Mean temp. |
|---|---|---|---|---|---|
| January | 4.40 | 5.14 | 4.21 | 4.20 | 25.7 °C |
| February | 5.35 | 5.20 | 4.26 | 4.85 | 25.8 °C |
| March | 6.19 | 4.58 | 3.74 | 5.24 | 25.9 °C |
| April | 6.76 | 3.46 | 2.80 | 5.30 | 26.8 °C |
| May | 6.37 | 2.48 | 1.98 | 4.73 | 27.7 °C |
| June | 6.04 | 2.21 | 1.74 | 4.39 | 28.4 °C |
| July | 6.40 | 2.40 | 1.90 | 4.67 | 29.0 °C |
| August | 6.19 | 2.92 | 2.33 | 4.71 | 29.3 °C |
| September | 5.69 | 3.71 | 2.98 | 4.60 | 29.2 °C |
| October | 4.79 | 4.13 | 3.34 | 4.14 | 28.7 °C |
| November | 4.37 | 4.77 | 3.88 | 4.05 | 27.5 °C |
| December | 4.22 | 5.23 | 4.26 | 4.09 | 26.6 °C |
| Year | 5.56 avg | 3.85 avg | 1136 kWh | 1671 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 680 Wp of panels at 70°, versus 290 Wp at 18°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in West Bay
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.
2.6 mrow pitch at 70°
2.5 mrow pitch at 18°
Solar forecast for West Bay, 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 West Bay
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Places near West Bay
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A free, live card for West Bay: 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.