Count days between any two dates in seconds, right here in your browser. No sign-up, no app download, no cost — just accurate day counts whenever you need them.
To count days online: enter your start date and end date in the tool above and click "Count Days". Results are instant and calculated entirely in your browser — no data is sent anywhere. The counter gives you the total calendar days, plus the equivalent in weeks and months. All calculations follow ISO 8601 standards and handle leap years automatically.
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All counts are from 20 February 2026. Use the live calculator above for today's current counts.
Manual day counting across months and years is tedious and error-prone. Consider counting from 15 November 2025 to 3 April 2026:
That's seven calculation steps for a span of less than 6 months. An online day counter does this in milliseconds and handles all edge cases automatically:
DateAndDays.com.au performs all calculations locally in your browser using JavaScript's built-in Date object. No dates you enter are ever:
This matters when entering sensitive dates such as legal deadlines, medical appointment dates, or financial milestones. You can verify this by using your browser's developer tools — you'll see zero network requests when you click Calculate.
Courts and tribunals calculate limitation periods, appeal windows, and filing deadlines in exact calendar days. Under the Acts Interpretation Act 1901 (Cth), "a month" means a calendar month, but specific day counts are used for shorter periods.
Medical professionals use day counts to track gestation periods (typically 280 days from LMP), medication courses, recovery periods, and quarantine requirements. A precise online day counter eliminates manual calculation errors.
The Reserve Bank of Australia and financial institutions use day count conventions (actual/365, actual/360, actual/actual) to calculate interest accruals. For personal finance, day counts help track the duration of term deposits, loan repayment periods, and credit card statement cycles.
Australian visa conditions (such as the 183-day rule for tax residency, or the 12-month working holiday visa) require precise day counting. Exceeding a visa day limit carries serious legal consequences — use an online day counter to track your remaining days precisely.
Our Business Days Calculator counts only Monday–Friday, with the option to exclude Australian public holidays.
Count Business Days →Use the calculator at the top of this page — enter a start date and end date, click "Count Days", and get your exact count instantly. No sign-up, no download, no cost.
By default, our counter excludes the start date and includes the end date. For example, from 1 January to 3 January = 2 days (the 2nd and 3rd).
Yes. The counter handles multi-year ranges, leap years, and different month lengths automatically. For example, from 15 June 2023 to 20 February 2026 = 981 days.
Yes. All calculations are done locally in your browser. No dates are sent to any server, stored, or tracked. The tool is fully private.
Online counters using JavaScript's Date object are accurate to the millisecond, correctly handling leap years, daylight saving, and varying month lengths.
Enter the past or future date in the calculator above — today's date is pre-filled automatically. Click "Count Days" to see how many days separate the two dates.
From 1 January 2026 to 20 February 2026 = 50 days. Use the calculator above for a live count from today's date.