Date & time
Business Day Calculator
Calculate working days between dates or add business days to a start date.
Customizable Week
Work Week
Holidays (Optional)
Dates to exclude from working days.
Advanced Settings
Calculation Results
Business Days
5
Total Working Hours
40 h
Calendar Days
7
Weekend Days
2
Holidays
0
Calculation includes start day as working day.
How it works
This tool iterates through each day between your dates. It skips days marked as weekends (configurable) and any specific dates listed in the holidays box.
Use "Add Days" mode to project deadlines by skipping non-working days.
Quick Examples
Mon to Fri5 days
Fri + 1 wk dayMonday
Includes Holidays?No (Excluded)
Mini FAQ
Are public holidays automatic?
No, you must paste holiday dates (YYYY-MM-DD) into the input box to exclude them.
Does it handle timezones?
Calculations are date-based (UTC midnight), ignoring local time nuances.
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