Day of the Week Finder
Find out which day of the week any date falls on, past or future, entered in Australian DD/MM/YYYY format.
Your results
Calculation breakdown
- Method
- Standard Gregorian calendar weekday lookup
Worked example
26 January 2026 (Australia Day) falls on a Monday.
Assumptions
- Assumes the modern Gregorian calendar, as used in Australia.
How this calculator works
Enter any date to instantly find out which day of the week it falls on, whether it's in the past or the future. This is useful for checking historical dates, planning events or confirming which weekday a future appointment lands on.
Frequently asked questions
How far back or forward can I check?
The calculator works for any valid calendar date supported by your browser, covering many centuries in either direction.
Does it account for the Gregorian calendar change?
The calculation assumes the modern Gregorian calendar is used throughout, which matches Australia's calendar system.
Can I check today's day of the week?
Yes, simply leave the date set to today to confirm the current weekday.
Editorial review and responsibility
Reviewed by the CalcAussie editorial team on 21 September 2026. Review scope: Method, Australian terminology, material assumptions, source links and user-facing limitations.
Calculator results remain estimates based on the figures entered. Check material decisions against current official information and report a suspected error so it can be reproduced and corrected.