Years Between Dates Calculator

Calculate the number of years, months, and days between two dates.

Start Date
End Date

The difference is

Select dates to see the result.

How the Years Calculator Works

This tool provides a complete breakdown of the duration between two dates, segmented into years, months, and days. It's the most detailed tool for calculating age, significant anniversaries, and historical time spans.

How to Calculate Years Between Dates: The Formula

The algorithm first calculates the difference in years, then adjusts for months, and finally computes the remaining days, taking into account leap years and different month lengths.

Years = End Year - Start Year (adjusted for month and day)

Practical Uses for the Years Calculator

  • Age Calculation: Determine someone's exact age in years, months, and days.
  • Significant Anniversaries: Calculate the precise time since a historical event.
  • Eligibility: Determine when someone reaches a specific age (e.g., retirement age).
  • Historical Analysis: Analyze long time periods with precision.

Frequently Asked Questions about the Years Calculator