Ontario · Canada · 44.10° N · 79.44° W
Solar position in East Gwillimbury
Sun position, daylight and the best solar panel angle for East Gwillimbury — computed for 44.10° N, 79.44° W, 271 m above sea level.
The sun right now
Sun in East Gwillimbury today
Saturday, 24 October 2026 · local time UTC−4
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 06:07 | sun 18° below horizon |
| Nautical dawn | 06:40 | 12° below |
| Civil dawn | 07:14 | 6° below |
| Sunrise | 07:44 | 106° ESE |
| Golden hour ends | 08:24 | sun 6° up |
| Solar noon | 13:01 | 34.0° high |
| Golden hour starts | 17:38 | sun 6° up |
| Sunset | 18:19 | 254° WSW |
| Civil dusk | 18:48 | 6° below |
| Nautical dusk | 19:22 | 12° below |
| Astronomical dusk | 19:55 | 18° below |
| Day length | 10 h 35 min | |
Sun path diagram for East Gwillimbury
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 69.3° at solar noon in East Gwillimbury; on the December solstice only 22.5°. Sunrise swings from 55° NE in June to 123° ESE in December — a 67° 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 | 07:45 | 12:29 | 17:12 | 9 h 27 min | 26.1° |
| February | 07:07 | 12:31 | 17:55 | 10 h 48 min | 35.6° |
| March | 07:18 | 13:25 | 19:31 | 12 h 13 min | 46.4° |
| April | 06:24 | 13:16 | 20:09 | 13 h 45 min | 57.9° |
| May | 05:45 | 13:14 | 20:43 | 14 h 59 min | 66.2° |
| June | 05:34 | 13:19 | 21:04 | 15 h 30 min | 69.3° |
| July | 05:54 | 13:24 | 20:53 | 14 h 59 min | 66.3° |
| August | 06:28 | 13:20 | 20:12 | 13 h 44 min | 57.8° |
| September | 07:03 | 13:10 | 19:16 | 12 h 13 min | 46.4° |
| October | 07:40 | 13:02 | 18:23 | 10 h 44 min | 35.0° |
| November | 07:20 | 12:03 | 16:46 | 9 h 25 min | 25.9° |
| December | 07:49 | 12:15 | 16:42 | 8 h 53 min | 22.5° |
A year of daylight in East Gwillimbury
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 East Gwillimbury
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
35°collects the most energy over a year: 1288 kWh per kWp.
72°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° | 1097 | 85% | 0.87 | 5.7× |
| 15° | 1224 | 95% | 1.21 | 4.2× |
| 30° | 1284 | 100% | 1.50 | 3.2× |
| 35° year-round best | 1288 | 100% | 1.59 | 3.0× |
| 44° = latitude | 1276 | 99% | 1.71 | 2.6× |
| 45° | 1273 | 99% | 1.72 | 2.6× |
| 60° | 1193 | 93% | 1.85 | 2.1× |
| 70° | 1104 | 86% | 1.88 | 2.0× |
| 72° off-grid best | 1083 | 84% | 1.88 | 2.0× |
| 90° | 856 | 66% | 1.81 | 1.8× |
A fixed array in East Gwillimbury produces the most over a year at 35°. The design month for an off-grid system is December: at 72° it makes 1.88 kWh per kWp a day, 19% more than at 35°, and costs 16% of the yearly total. Why steep panels win winter.
Off-grid solar in East Gwillimbury at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 35° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 35° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 1.38 | 2.53 | 2.32 | 2.00 | -5.9 °C |
| February snow | 2.16 | 3.33 | 3.07 | 2.82 | -5.9 °C |
| March snow | 3.46 | 4.17 | 3.78 | 3.94 | -1.2 °C |
| April | 4.53 | 3.93 | 3.47 | 4.33 | 4.9 °C |
| May | 5.51 | 3.82 | 3.28 | 4.62 | 11.5 °C |
| June | 6.07 | 3.75 | 3.14 | 4.72 | 17.5 °C |
| July | 6.05 | 3.92 | 3.24 | 4.74 | 21.4 °C |
| August | 5.25 | 4.13 | 3.43 | 4.52 | 20.9 °C |
| September | 4.09 | 4.29 | 3.63 | 4.12 | 17.2 °C |
| October | 2.43 | 3.24 | 2.81 | 2.84 | 9.8 °C |
| November | 1.52 | 2.55 | 2.27 | 2.08 | 3.4 °C |
| December snow | 1.08 | 2.08 | 1.88 | 1.59 | -2.3 °C |
| Year | 3.64 avg | 3.48 avg | 1104 kWh | 1288 kWh |
Sizing example. To run a 1 kWh-per-day load through December on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 630 Wp of panels at 70°, versus 740 Wp at 35°. The steep array is 16% smaller for the same winter. Size your own system.
Row spacing in East Gwillimbury
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.
6.0 mrow pitch at 70°
4.9 mrow pitch at 35°
How East Gwillimbury compares in Canada
Against the other 295 places in Canada with climate data, for a fixed array at its best angle.
47thof 296 places in Canada for sunshine, shared: 3.64 peak sun hours a day on flat ground.
±0%solar energy a year compared with the average place in Canada: 1,288 against 1,292 kWh per kWp.
+3 mindaylight on the longest day, compared with Toronto: 15 h 30 min against 15 h 27 min.
35°best year-round tilt here; across Canada it runs from 34° in Hamilton to 52° in Yellowknife.
Of the 296 places in Canada, Medicine Hat and one other place get the most sun (3.84 peak sun hours a day) and Terrace the least (2.57); East Gwillimbury ranks joint 47th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.88 kWh a day here, against 1.88 kWh on average in Canada. The shortest day lasts 8 h 53 min, −3 min compared with Toronto.
Solar forecast for East Gwillimbury, 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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A free, live card for East Gwillimbury: 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.