Dates & Time

Date to Date Duration Calculator

Find the gap between any two dates. You get a calendar breakdown in years, months, and days, plus totals in weeks, months, and business days.

How to use
  1. Pick a start date and an end date.
  2. Dates auto-swap if you enter them out of order.
Date math uses your inputs as given; check time-zone and leap-year edge cases.
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Common questions

Does it count business days?

Yes. Alongside calendar totals it reports business days, which excludes Saturdays and Sundays.

What if I enter the end date before the start date?

It swaps them automatically and still returns a positive duration.

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