September is the third and final month of the financial year's first quarter, which runs from July to September. 24 September 2026 falls a quarter of the way through the financial year that began the previous July, in the third calendar quarter of 2026 under the standard January-to-December system used across most business reporting.
Thursday 24 September 2026 is a common day for bill payments, invoice due dates and payroll runs across Australian businesses, sitting close enough to the end of the working week to clear outstanding tasks before Friday arrives. Many payroll cycles are timed to land on this day of the week specifically, so that funds clear ahead of the weekend.
Contracts and legal deadlines that specify calendar days count every day from 24 September 2026 including weekends and public holidays, while deadlines specified in working or business days count only the days this page includes in its working-day total. The difference between the two conventions can shift a deadline by several days once weekends and holidays are counted.
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