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Date Calculator

Calculate date intervals and business days, add or subtract dates, and get ages and next-birthday countdowns.
Calendar breakdown follows real calendar rules (leap years and month lengths included); workdays count Monday–Friday and do not exclude public holidays.
Start date
End date
Total days
317 day(s)
Years / months / days
0y 10m 13d
In weeks
45 weeks 2 days
Workdays (Mon–Fri)
227 day(s)
In hours
7,608 h
Weekday of each end
Thu → Sat
DateWeekdayISO week
Date A2026-01-01ThuWeek 1
Date B2026-11-14SatWeek 46