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Between Dates Calculator

Between Dates Calculator is a free online tool that instantly calculates the exact time difference between two dates in years, months, weeks, and days. It also supports adding or subtracting dates, excluding holidays, and counting workdays with high accuracy.


Between Dates Calculator

Between Dates Calculator – Calculate Exact Time Difference Between Two Dates

The Between Dates Calculator is a powerful online date duration tool that helps you calculate the exact difference between two dates in multiple formats, including years, months, weeks, and days. Whether you are planning a project timeline, calculating work duration, tracking events, or counting days between important dates, this calculator delivers precise and instant results.

It works perfectly for personal planning, business use, legal documentation, education, HR, finance, and productivity tracking.

What Is a Between Dates Calculator?

A Between Dates Calculator (also known as a Date Difference Calculator or Date Duration Calculator) determines the total time span between a start date and an end date. The result can be viewed in different time units, helping you clearly understand how much time has passed or remains.

You can calculate:

  • Total days between two dates
  • Difference in years, months, and days
  • Weeks and remaining days
  • Workdays excluding weekends
  • Date shifts by adding or subtracting time

Key Features of the Between Dates Calculator

  • 📆 Calculate days between two dates instantly
  • ⏳ View duration in years, months, weeks & days
  • ➕ Add or subtract years, months, weeks, or days
  • 🏢 Optional workday calculation (exclude weekends)
  • 🎉 Holiday-aware calculations (customizable)
  • 🌍 Uses Gregorian calendar with leap year accuracy
  • 💻 Fully browser-based, no login required

How to Use the Between Dates Calculator

  1. Select the Start Date
  2. Select the End Date
  3. Click Calculate
  4. Instantly view the full date difference breakdown

Optional settings allow you to:

  • Include or exclude the end date
  • Count only workdays
  • Add or subtract time from a date

Who Should Use a Between Dates Calculator?

  • Project managers & planners
  • HR & payroll teams
  • Students & educators
  • Legal & compliance professionals
  • Travelers & event planners
  • Anyone asking: “How many days are between two dates?”

Practical Use Cases

  • Calculate project duration
  • Find days between birthdays or anniversaries
  • Track contract or notice periods
  • Measure time between events
  • Add days, weeks, or months to a deadline
  • Count business days between dates

How Date Difference Is Calculated

The calculator follows the Gregorian calendar, accounting for:

  • Leap years
  • Different month lengths
  • Accurate day counts
  • Optional holiday exclusions

This ensures precise results even for long time spans or historical dates.


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