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📅 Date & Time Calculator

Days between dates, age & UK bank holidays

Date Difference

⚠️ End date is before start date
Total Days
Total Weeks
Total Months
Business Days

Your Age

Total Days Lived
Total Hours (approx)
Born on
Next Birthday

Result Date

🔜 Next Bank Holiday

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How to Use This Date Calculator

  1. Choose your calculation Days between two dates, add/subtract days from a date, or calculate your exact age.
  2. Enter the dates Pick from the date selectors or type dates directly.
  3. See the results Get the exact number of days, weeks, months, and years. The calculator also shows UK bank holidays in the range.

Use Cases

Calculating notice periods and deadlines. Whether it's a 30-day notice period, a 12-week maternity leave calculation, or a contract deadline, this calculator counts exact calendar days and can exclude weekends or bank holidays to give you working days.

Working out your exact age. Need to know your age in days for a form, or confirm you're over 18/21/25 for an age-restricted service? The age calculator gives you years, months, and days. plus the date of your next birthday.

Planning around UK bank holidays. The calculator includes all UK bank holidays (England, Scotland, Wales, and Northern Ireland). Useful for project planning, holiday booking, or working out when the next long weekend falls.

Frequently Asked Questions

Does it count the start and end dates?

By default, the days-between calculation excludes the start date but includes the end date (like counting days remaining). You can toggle this to include or exclude either date depending on what you need.

How many UK bank holidays are there?

England and Wales typically have 8 bank holidays per year. Scotland has 9 (different dates). Northern Ireland has 10. The government occasionally adds extra ones. the calculator includes all confirmed dates including any additional holidays.

Can it count working days only?

Yes. you can exclude weekends and/or bank holidays from the count. This is useful for contract deadlines, project timelines, and notice periods that specify "working days" rather than calendar days.

Does it account for leap years?

Yes. The calculator correctly handles leap years (including the rule that century years are only leap years if divisible by 400). Date calculations are always exact.

Is my data private?

Yes. All calculations run in your browser.

Why Use This Date Calculator?

Unlike generic date calculators, this one is built for UK users with UK bank holidays built in. It handles working-day calculations (excluding weekends and bank holidays), which most online date calculators don't support. It also works offline. useful when you need to calculate a date on the spot without internet.

No sign-up, no tracking, no ads covering the results. Just accurate date calculations.

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