Solarposition.org

Victoria · Australia · 37.67° S · 144.44° E

Solar position in Bacchus Marsh

Sun position, daylight and the best solar panel angle for Bacchus Marsh — computed for 37.67° S, 144.44° E, 111 m above sea level.

Sunrise today06:24106° ESE
Sunset today19:48254° WSW
Best panel angle31°year-round, facing north
Off-grid angle62°best for the darkest month

The sun right now

Azimuth180.0°
Elevation64.4°
At solar noon, 13:06Open on the sun map

Sun in Bacchus Marsh today

Sunday, 25 October 2026 · local time UTC+11

EventTimeDirection / height
Astronomical dawn04:49sun 18° below horizon
Nautical dawn05:2412° below
Civil dawn05:566° below
Sunrise06:24106° ESE
Golden hour ends06:59sun 6° up
Solar noon13:0664.4° high
Golden hour starts19:13sun 6° up
Sunset19:48254° WSW
Civil dusk20:166° below
Nautical dusk20:4912° below
Astronomical dusk21:2418° below
Day length13 h 25 min

Sun path diagram for Bacchus Marsh

Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.

15°30°45°60°75°N30°60°E120°150°S210°240°W300°330°June solstice891011121314151617EquinoxDecember solstice7891011121314151617181920Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 28.9° at solar noon in Bacchus Marsh; on the December solstice only 75.8°. Sunrise swings from 61° ENE in June to 121° ESE in December — a 60° 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.

MonthSunriseSolar noonSunsetDay lengthNoon elevation
January06:2313:3320:4214 h 20 min72.3°
February06:5813:3520:1313 h 15 min62.9°
March07:2513:2919:3212 h 07 min52.1°
April06:5312:2017:4710 h 54 min40.5°
May07:1912:1817:179 h 58 min32.2°
June07:3712:2317:109 h 33 min28.9°
July07:3112:2817:269 h 55 min31.9°
August06:5912:2517:5110 h 52 min40.2°
September06:1312:1518:1712 h 04 min51.6°
October06:2913:0719:4413 h 15 min63.0°
November05:5813:0820:1714 h 19 min72.2°
December05:5613:2020:4314 h 46 min75.8°

A year of daylight in Bacchus Marsh

Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.

00:0003:0006:0009:0012:0015:0018:0021:0000:00JanFebMarAprMayJunJulAugSepOctNovDec

Best solar panel angle in Bacchus Marsh

Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.

31°collects the most energy over a year: 1535 kWh per kWp.

62°gives the most in the darkest month — the one an off-grid system is sized for.

50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 31°Best worst-month 62°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearJune kWh/kWp/dayBest ÷ worst month
0°134287%1.474.0×
15°148297%2.032.9×
30°1535100%2.462.3×
31° year-round best1535100%2.492.2×
38° = latitude152799%2.632.0×
45°149998%2.741.8×
60°137690%2.851.5×
62° off-grid best135388%2.851.5×
70°125181%2.831.4×
90°91960%2.541.8×

A fixed array in Bacchus Marsh produces the most over a year at 31°. The design month for an off-grid system is June: at 62° it makes 2.85 kWh per kWp a day, 15% more than at 31°, and costs 12% of the yearly total. Why steep panels win winter.

Off-grid solar in Bacchus Marsh at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 31° (year-round best).

0123456January: 3.32 (70°)3.3JanFebruary: 3.76 (70°)3.8FebMarch: 4.04 (70°)4.0MarApril: 3.77 (70°)3.8AprMay: 3.18 (70°)3.2MayJune: 2.83 (70°)2.8JunJuly: 2.94 (70°)2.9JulAugust: 3.40 (70°)3.4AugSeptember: 3.73 (70°)3.7SepOctober: 3.73 (70°)3.7OctNovember: 3.30 (70°)3.3NovDecember: 3.14 (70°)3.1Dec31°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 31°Mean temp.
January7.193.993.325.5220.2 °C
February6.264.503.765.3119.8 °C
March5.004.794.044.8118.0 °C
April3.464.413.773.8614.7 °C
May2.353.683.182.9511.5 °C
June1.843.242.832.499.2 °C
July2.033.362.942.658.4 °C
August2.853.893.403.358.8 °C
September4.074.313.734.1910.8 °C
October5.414.353.734.9113.3 °C
November6.343.903.305.1216.1 °C
December7.133.763.145.4018.1 °C
Year4.49 avg4.01 avg1251 kWh1535 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 420 Wp of panels at 70°, versus 470 Wp at 31°. The steep array is 12% smaller for the same winter. Size your own system.

Row spacing in Bacchus Marsh

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.

4.6 mrow pitch at 70°

3.9 mrow pitch at 31°

Row spacing calculator

How Bacchus Marsh compares in Australia

Against the other 88 places in Australia with climate data, for a fixed array at its best angle.

73rdof 89 places in Australia for sunshine: 4.49 peak sun hours a day on flat ground.

−8%solar energy a year compared with the average place in Australia: 1,535 against 1,665 kWh per kWp.

+22 mindaylight on the longest day, compared with Sydney: 14 h 46 min against 14 h 25 min.

31°best year-round tilt here; across Australia it runs from 16° in Cairns to 35° in Hobart.

Of the 89 places in Australia, Port Hedland gets the most sun (6.31 peak sun hours a day) and Hobart the least (3.89); Bacchus Marsh ranks 73rd. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 2.83 kWh a day here, against 2.60 kWh on average in Australia. The shortest day lasts 9 h 33 min, −21 min compared with Sydney.

The sunniest places in Australia

Solar forecast for Bacchus Marsh, 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 Bacchus Marsh

What is the best solar panel angle in Bacchus Marsh?
For a fixed array facing north, the best year-round tilt in Bacchus Marsh is 31°, worth about 1535 kWh per kWp a year. An off-grid system that has to get through June does better at about 62°.
What time is sunrise and sunset in Bacchus Marsh today?
On 25 October 2026 the sun rises at 06:24 and sets at 19:48 local time (UTC+11), giving 13 h 25 min of daylight. Solar noon is at 13:06.
How many peak sun hours does Bacchus Marsh get?
On a flat surface 4.5 hours a day averaged over the year, from 1.8 in June to 7.2 in January. Panels tilted at 70° receive 3.2 sun hours a day in June.
How high does the sun get in Bacchus Marsh?
At solar noon the sun stands 28.9° above the horizon on the June solstice and 75.8° on the December solstice.
Is Bacchus Marsh a good place for solar panels?
With 4.5 peak sun hours a day on flat ground, Bacchus Marsh ranks 73rd of 89 places in Australia for sunshine. A 1 kWp array at the best angle (31°) makes about 1,535 kWh a year here, 8% less than the average place in Australia.

Places near Bacchus Marsh

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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.