Date Difference Calculator — Days Between Two Dates
Free date difference calculator. Find the number of days, weeks, months and years between two dates, including business days.
Runs in your browser — your data is never uploaded.
Choose a start date and an end date to see the difference in total days, weeks, months and years, plus the number of working days (Monday to Friday). Optionally include the end date in the count. It is useful for project plans, notice periods, travel and countdowns.
How to use the Date Difference Calculator
- Pick the start date and end date.
- Choose whether to include the end date.
- Read the days, weeks, months and business days.
Date Difference Calculator — frequently asked questions
Does it include weekends?
Total days include all days; business days exclude Saturdays and Sundays.
Are public holidays excluded?
No, because holidays vary by country and year.
Can the end date be earlier than the start?
Yes, the tool shows the absolute difference.
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