Calculators

Date Calculator

Count the days between two dates, or add and subtract days, weeks and months.

Runs in your browser: nothing you enter is uploaded

How it works

1

Choose what you need

Count the days between two dates, or add or subtract time from a date.

2

Enter the dates

Pick the dates with the date picker. Today is filled in to start.

3

Read the result

See the difference in days, weeks, months and business days, or the new date.

Date Calculator features

  • Days between two dates, with the option to count the end date.
  • Years, months and days breakdown.
  • Business days (Monday to Friday) between dates.
  • Add or subtract days, weeks, months, years or business days.
  • Handles month ends and leap years correctly.
  • Instant results, private, no signup.

Date Calculator FAQ

How many days are between two dates?

Enter both dates under Days between dates. The answer is shown in days, plus years, months and days, weeks and business days.

Does it count the end date?

Not by default, the same as most calculators. Tick Count the end date too to add one day, for example when counting days of a trip.

How do I add 90 days to a date?

Choose Add or subtract days, enter the start date and 90, and pick Days. The result shows the new date with the day of the week.

Are holidays taken off business days?

No, business days only skip Saturdays and Sundays. Take off public holidays yourself if needed.

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