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DateDelta
For project timelines and deadlines that only count weekdays, not calendar days.
This calculator excludes Saturdays and Sundays but doesn't know about public holidays specific to your country or company — subtract those manually if your deadline needs to account for them too.
A '10 business day' shipping estimate or contract deadline can span nearly 3 calendar weeks once weekends are excluded — using calendar days instead of business days is a common source of missed-deadline surprises.
Duration between two times of day, in hours and minutes.
OpenHours worked from clock-in, clock-out, and break time.
OpenWeekly total hours and overtime from daily entries.
OpenAnnual cost of your daily commute.
OpenBusiness days
23
What you entered
Total calendar days in range (inclusive)
end − start + 1= 31 daysCount only Mon–Fri
exclude Saturdays and Sundays= 23 business daysResult
Business days: 23
Between 2026-07-22 and 2026-08-21, there are 31 calendar days but only 23 business days (Mon–Fri) — the difference is weekends, and doesn't yet account for public holidays.