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 Wednesday, August 19, 1987
Added 49 months, 227 weeks, 49 days
Normalized to 4 years, 1 month, 1638 days

Result: Thursday, March 14, 1996

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

Alternative result: Tuesday, March 12, 1996

If the smaller units (days) are added first

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Help and example use

Date Calculators

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