As mid‑June settles over Australia, the nation is preparing for a profound seasonal shift: the impending “darkest week of the year.” This annual phenomenon, centered around the winter solstice, brings with it the shortest daylight hours and the longest nights of the year, with implications far beyond merely waking up in the dark.
This year’s winter solstice falls on Saturday, June 21, when the sun reaches its lowest point in the sky across the Southern Hemisphere. But the period of diminished daylight extends further—encompassing the three days before and after the solstice, this seven‑day span—from Wednesday, June 18, to Tuesday, June 24—is considered the darkest week of 2025.
What Causes the Darkest Week?
The sun’s daily path and the variation in sunlight are dictated by Earth’s tilt, about 23.5 degrees, relative to its orbital plane. During the Southern Hemisphere’s winter, this tilt turns Australia away from the sun, yielding shorter days and longer nights. The winter solstice marks the peak of this tilt—resulting in the day with the least sunlight.
Amid this annual milestone, capital cities across Australia experience significantly truncated daylight:
- Sydney: sunrise around 7 am, sunset 4:54 pm
- Melbourne: 7:35 am to 5:08 pm
- Brisbane: 6:37 am to 5:02 pm
- Adelaide: 6:53 am to 4:42 pm
- Hobart: 7:42 am to 4:43 pm — the shortest daylight period of the year
- Canberra: 7:42 am to 4:58 pm
- Darwin: 6:00 pm sunset, sunrise 3:36 am (least extreme variation, due to proximity to the equator)
Weather and Seasonal Effects
Entering this sombre week coincides with a general shift towards colder, more wintry weather. In southeastern Australia—particularly across Victoria, Tasmania, and New South Wales—climatologists have forecasted cooler temperatures, strong southerly winds, scattered showers, and even alpine snowfall through mid‑week.
This brutal skateboard of weather, combined with longer hours of darkness, paints a striking contrast—especially in cities like Hobart, where daylight retreats the most.
The return of long nights and despairing mornings takes a toll beyond mere inconvenience. For many, the lack of sunlight triggers shifts in mood and routine:
Seasonal Affective Signals
Known as Seasonal Affective Disorder (SAD), many Australians report heavier emotional states during the darkest week, thanks to reduced sun exposure.
Energy Consumption Rises
With later dawns and earlier twilights, households and workplaces turn on lights much earlier, increasing electricity use—and heating needs—during winter’s grip.
Daily Rhythms Shift
Night moves its way into the morning routine—commuters face pitch-dark departure times, and evening errands fall under streetlights rather than sunlight.
Outdoor Leisure Disrupted
The shorter window for warmth and natural light limits outdoor activities, potentially leading to more sedentary behavior and cabin fever.
Although the darkest week can feel heavy, many Australians actively reclaim it by embracing winter rituals:
- Cozy indoor pursuits (books, board games, warm meals)
- Lighting the home with candles or soft lamps to enrich ambiance
- Social gatherings in the evening—solstice dinners or hot chocolate nights
- Stargazing under early evenings—often sharp, clear night skies unveil constellations
Additionally, diverse cultures around the world treat the winter solstice as a pivotal moment—an opportunity for introspection, communal gatherings, and marking the turning point of seasonal change.
Yes, this week commands the most sunlight-starved period of 2025. But there’s solace in knowing that from June 22 onward, each sunrise inches earlier and each sunset flickers later—ushering in a slow blossoming toward spring.
Bit by bit, Australia’s daylight hours recover. By the time the summer solstice arrives in December, the country will be basking in its longest day once again.
The darkest week around the winter solstice offers more than just lower daylight—it provokes changes in mood, habits, and lifestyle. Embracing those long nights constructively—with warmth, community, and mindful living—allows Australians to weather this annual “darkness” with brighter spirits.
And the most important takeaway? As the Earth tilts—and shadows grow—remember that light always returns, bringing with it renewal, hope, and brighter days ahead.