August is the second month of the financial year that began the previous July, sitting inside the financial year's first quarter, which runs from July to September. 15 August 2026 falls in the third calendar quarter of 2026 under the standard January-to-December system, with ten months still remaining before the 30 June financial year close.
Any deadline or bill payment due on Saturday 15 August 2026 moves to the following Monday under standard business-day rules, since Saturday is not a working day for the Monday-to-Friday workforce this page counts by default. Shift-based industries follow their own separate rostering rules instead of this convention.
The working-day count on this page excludes both weekend days and any public holiday declared for the state selected, so the same date in 2026 can show a different total depending on which state's calendar applies to 15 August. Interstate businesses need to check more than one state's list before setting a national deadline.