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 Friday, December 18, 1863
Added 48 years, 24 months, 24 weeks, 24 days
Normalized to 50 years, 192 days

Result: Sunday, June 28, 1914

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

Alternative result: Saturday, June 27, 1914

If the smaller units (days) are added first

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Help and example use

Date Calculators

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