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Days Between Dates
Count days, weeks and business days between two dates.
Pick two dates to see the difference.
Calculations use your browser's local timezone and plain calendar days — no timezone conversions, no DST gymnastics.
About this tool
Pick two dates and get the total difference in days, weeks, months and years — inclusive or exclusive of the end date. An optional business-days mode skips weekends so you can plan work schedules and deadlines. Calculations use your local timezone, and the page says so plainly.
- Count down to a deadline or release date
- Compute project duration in business days
- Check how long between two invoices or events
- Convert a day count into weeks, months and years