Autumn begins on 1 March, and by 15 March 2026 the southern states see shorter days and cooler mornings settling in. The northern wet season continues through March, with cyclone activity still active ahead of its April end, while the south moves out of its summer bushfire peak as the season turns over into the cooler months.
A public holiday that falls on a Sunday sits inside the weekend rather than beside it, and whether a substitute day off applies to the following Monday depends on the specific holiday and the state. Sunday 15 March 2026 falls on this day of the week, at the close of the weekend, immediately before the working week resumes.
The quarter containing 15 March 2026 is based on the calendar year running January to December, a separate system from the Australian financial year, which runs from 1 July to 30 June and splits into its own four quarters. Businesses often track both systems side by side, one for tax filings and one for calendar-year planning.
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