Australian Tax Calendar 2026
The dedicated calendar app is now live. Use it for the primary calendar experience, or keep using the main-site version below while the transition is in progress.
Last verified against primary sources: 13 February 2026
Open the standalone calendar app
Use calendar.austax.tools for the new dedicated calendar product with its own app navigation and future reminder workflow.
Go to calendar app →Keep using the current page
The existing tax calendar still works here on austax.tools. You can browse months, filter obligations, and inspect source-linked dates below.
Main-site calendar version
Use this while we move the tax calendar toward the standalone app.
Calendar filters
Browse calendar months
Related tools
FAQ
What is the self-lodgment deadline?
For most individuals, the self-lodgment deadline is 31 October each year, with next business day treatment if needed.
Are these dates legal advice?
No. This calendar is informational only. Always confirm your exact obligation on the ATO website or with a registered tax agent.