Date calculator: Add to or subtract from a date

This service enables you to add or subtract days, months and years to a date to calculate a past or future date.

Design changes: What is new and why?

Start Date



From Monday, February 19, 2001
Added 77 months, 77 weeks, 389 days
Normalized to 6 years, 5 months, 928 days

Result: Monday, February 1, 2010

If the larger units (months/years) are added before the smaller units (days).

Alternative result: Friday, February 5, 2010

If the smaller units (days) are added first

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Help and example use

Date Calculators

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