Days Between Two Dates Calculator

Count the number of days between two dates.

Days Between Two Dates

Count the days between two dates for planning and reporting. This is useful for estimating durations without time-of-day complexity.

How to use the Days Between Two Dates Calculator

  1. Choose a start date and end date.
  2. Click Calculate.
  3. Review the total days.

Common use cases

  • Estimating project durations.
  • Counting days between events.
  • Planning travel or schedules.
  • Validating date ranges in data.

Tips & notes

  • Use ISO dates (YYYY-MM-DD) to avoid ambiguity.
  • For business days, use the Working Days Calculator.
  • For precise time spans, use a duration tool.

Related time tools

  • Date Difference Calculator
  • Working Days Calculator
  • Date Range Splitter

FAQ

Is the count inclusive?
This tool counts the full day difference between dates.
Does it account for leap years?
Yes. It uses calendar-aware calculations.
Can I include the end date?
Not directly; use Date Difference for more options.