Days Between Dates Calculator – Date Difference in Days, Weeks, Months, Years & Business Days (Free Online)
Days Between Dates Calculator – Date Difference in Days, Weeks, Months, Years & Business Days (Free Online)
Use this fast Days Between Dates Calculator to find the exact difference between two dates. See total days, weeks + days, calendar years/months/days, plus business days (excluding weekends) and optional custom holidays. Everything runs in your browser—no data saved.
Calculate Date Difference
What This Days Between Dates Calculator Shows
- Total days between two dates (inclusive or exclusive)
- Weeks + days breakdown for quick planning
- Exact calendar difference: years, months, and days
- Business days excluding weekends, with optional custom holidays
- Next working day after the selected end date
How to Use
- Select the Start Date and End Date.
- Choose whether to include the end date (inclusive).
- Enable Business days and add Holidays (optional) for workday counts.
- Click Calculate to get instant results.
Examples
- Project timeline: See total days and business days to schedule sprints.
- Payroll/attendance: Count working days between two dates, skipping weekends and holidays.
- Travel planning: Calculate inclusive trip days (check-in to check-out).
FAQ – Days Between Dates
Inclusive vs exclusive — what’s the difference?
Inclusive counts both the start and end date (adds one day). Exclusive counts full 24-hour periods between them.
How are business days calculated?
Business days include Monday–Friday only. If you add holidays, those dates (on weekdays) are excluded too.
Does it handle leap years and month lengths?
Yes. The calculator uses actual calendar rules for the exact years/months/days breakdown.
Is my data saved?
No. All calculations happen locally in your browser; we don’t upload or store anything.
Conclusion
Use this free Days Between Dates Calculator to quickly get total days, weeks, exact Y/M/D, and business days with holiday exclusions—perfect for projects, HR, finance, and travel.
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