Tomorrow's sunset prediction and golden hour forecast
Check the sunrise forecast for St Marys to capture the morning golden hour
View Sunrise Forecast →Alpenglow forecasts the sky from your precise location, not just St Marys city center — with 7-day forecasts, golden hour alerts, and home screen widgets.
For the most colorful sunsets, look for days with scattered mid-level clouds, which catch and reflect warm light. Head to a location with a clear view of the western horizon such as a beach, hilltop, or open field. Arrive during golden hour, about an hour before sunset, for the best light. Use Alpenglow's quality forecast to find the days when conditions favor vivid colors.
Today's sunset in St Marys is at 5:13 PM, with full darkness arriving at 6:44 PM (Australia/Adelaide). The period between sunset and full darkness is twilight, when the sky gradually transitions from light to dark.
Twilight typically lasts between 70 and 100 minutes from sunset to full darkness. It consists of three phases: civil twilight (brightest, about 30 minutes), nautical twilight (medium, about 30 minutes), and astronomical twilight (dimmest, about 30 minutes). The exact duration depends on latitude and the time of year — twilight is longer at higher latitudes and around the solstices.
The latest sunset in St Marys in 2026 is at 8:33 PM on January 2 (Australia/Adelaide). This occurs shortly after the summer solstice.
After sunset at 5:13 PM in St Marys, civil twilight ends at 5:41 PM — about 28 minutes later. Full darkness (astronomical dusk) arrives at 6:44 PM (Australia/Adelaide).
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