Date Difference
How long between two dates? Get years/months/days plus totals.
Difference
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How to Use Date Difference Calculator
To calculate the difference between two dates, enter a start date and an end date. The calculator instantly shows the exact difference in years, months, and days, as well as the total expressed in days, weeks, hours, and minutes. Toggle the include-end-date option to count the final date as an additional day.
The working days count shows how many weekdays (Monday–Friday) fall between the two dates, excluding weekends. This is useful for project planning, contract deadlines, billing periods, and any calculation that needs to distinguish between calendar days and business days.
Frequently Asked Questions
How many days are between two dates? expand_more
Enter your two dates and the calculator shows the exact number of calendar days. For example, between January 1 and March 31 there are 89 days (or 90 in a leap year).
What is the difference between calendar days and working days? expand_more
Calendar days count every day including weekends. Working days (business days) count only Monday through Friday. The calculator shows both counts.
Does the calculator count the end date? expand_more
By default the end date is not counted as a full day. Toggle the 'include end date' option to add one more day to all totals, which is useful for inclusive counting of deadline days.
Can I calculate the number of days until a future date? expand_more
Yes. Enter today as the start date and your future date as the end date to see exactly how many days, weeks, and hours remain.
Does the calculator account for leap years? expand_more
Yes. The calculator correctly handles leap years, ensuring February 29 is counted in years where it exists.
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