A complete date workspace for exact date differences, date arithmetic, custom business days, excluded dates, date facts, calendar ranges, and live countdowns.
Calculate exact calendar days with years/months/days and business-day totals.
30 days
Full weeks + days
4 + 2
Business days
22
Weekend days
8
Date direction
Moving forward
Calculate spans, date shifts, and workdays clearly. A complete date workspace for exact date differences, date arithmetic, custom business days, excluded dates, date facts, calendar ranges, and live countdowns. The core workflow is designed to run in your current browser.
Yes. Date Calculator opens in a modern browser and does not require desktop software installation.
Common use cases include Calculate project duration, milestones, iterations, and delivery dates; Check contract terms, payment periods, trials, and expiration dates.
The core processing workflow is designed to run locally in the browser. Key capabilities include See total days, exact years/months/days, weeks, and date direction together, Move forward or backward by days, weeks, months, years, or business days, Customize weekends and excluded dates for accurate working-day totals; account, comments, and anonymous analytics may still create normal site requests.
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