256 Tools

Date Difference Calculator

Enter the dates to see the result.

loading

Related external tools

Some links are affiliate links.

Microsoft 365A subscription suite that includes Word, Excel, PowerPoint, Outlook, and Teams, plus 1 TB of OneDrive cloud storage. Available for personal, family, and business use with apps that work on PC, Mac, and mobile. Regularly updated with new AI-powered features via Copilot.AmazonThe world's largest online marketplace for shopping, electronics, books, software, and more. Fast shipping, easy returns, and a vast product catalog make it a go-to for everyday purchases. Prime membership adds streaming, free shipping, and exclusive deals.

Related tools

Age CalculatorFind your exact age in years, months and days from your date of birth, plus total days, next birthday, the day of the week you were born and your zodiac signs.Unix Timestamp ConverterConvert Unix timestamps to dates and back. Auto-detects seconds/milliseconds, shows UTC/local/any timezone, ISO 8601/RFC 2822/relative time. Nothing is sent.Time Zone Meeting PlannerSee multiple cities' local times side by side across the day, with good meeting hours highlighted to find a slot that works for everyone. In your browser.Life in WeeksVisualize your life as a grid of weeks. Enter your birthday to see days lived, life progress %, and your weeks grid. Free and 100% private.

Count the days between two dates, or find the date a number of days from now. This tool shows the total days, weeks and a years/months/days breakdown, plus the number of business days, and can add calendar or business days to a start date. Everything runs in your browser.

How to use

  1. Choose whether to measure between two dates or add days to a date.
  2. Enter the dates, or a start date and an amount.
  3. Read the days, business days and breakdown, then copy the result.

How business days are counted

Business days are the weekdays from Monday to Friday. The calculator counts the days in the range and skips every Saturday and Sunday. Public holidays vary by country, so they are not excluded automatically.

A week with five weekdays highlighted and the weekend greyed out

Features

Total days & weeks

Get the exact number of days and whole weeks between two dates.

Business days

Count only the weekdays, ignoring Saturdays and Sundays.

Years, months & days

See the gap expressed as whole years, months and remaining days.

Add days to a date

Find the date a set number of calendar or business days from a start date.

Clear and consistent

Counts the full days between the two dates, so results are easy to reason about.

Common use cases

Deadlines & countdowns

Know how many days are left until a due date or event.

Delivery & lead times

Work out a delivery or payment date a number of business days out.

Leave & holidays

Count working days for time off or project planning.

Anniversaries & milestones

See how long ago something happened in years, months and days.

Notes & tips

  • Public holidays differ by country, so they are not removed from business days.
  • Dates are handled in a timezone-independent way, so results don't shift with your clock.
  • The order of the two dates doesn't matter; the day count is always positive.
  • Everything runs on your device — nothing is sent to a server.

Frequently asked questions

How many days are between two dates?
Enter both dates and the calculator shows the total number of days, plus weeks and a years/months/days breakdown.
What counts as a business day?
Business days are weekdays, Monday through Friday. Saturdays and Sundays are skipped.
How do I find a date a number of business days from now?
Use the add mode, enter a start date and an amount, and choose business days. The tool skips weekends as it counts.
Are public holidays excluded?
No. Holidays vary by country and region, so only weekends are skipped for business days.
Is my data uploaded?
No. Everything is calculated in your browser. Nothing is sent to a server and there is no sign-up.

We use cookies for ads and analytics.