Calculate the exact difference between two dates — years, months, days, hours, minutes, and business days.
A precise date-difference calculator that handles calendar borrowing (variable month lengths, leap years) correctly, plus raw totals (days, weeks, hours, minutes, seconds) and a business-day count (Mon–Fri). Works for past or future targets — the engine reports absolute spans with a direction note. All math runs in your browser.
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Date difference
Pick two moments — get every breakdown live.