Work & planning
Business Days Calculator
Count the working days (Monday to Friday) between two dates, excluding weekends.
Compare one meeting time across three time zones and check common working-hour overlap.
Time-zone rules use your browser’s IANA data. Repeated local hours expose an earlier/later choice.
Worked example
09:00 New York in January; participants in London and Kolkata
14:00 London and 19:30 Kolkata; Kolkata is outside 09:00–17:00The table evaluates each hour in the organizer’s day using IANA time-zone rules. The working-hours guide uses Monday–Friday, 09:00–17:00 and does not account for holidays or personal schedules.
Inputs stay in your browser. You can use this tool without joining the waitlist or creating an account.
From a calculation to a daily glance
Create the agreed time in your calendar and keep the meeting visible in Weekly Calendar. This tool does not send invitations or check anyone’s availability.
Web results do not automatically sync to the app. Setup is manual; calendar events appear through your enabled calendars.
Work & planning
Count the working days (Monday to Friday) between two dates, excluding weekends.
Work & planning
Calculate paid shift hours after an unpaid break, including overnight shifts.
Work & planning
Total a seven-day timesheet with separate start, end, and break times for each day.
Work & planning
Add or subtract working days while skipping weekends and your own holiday dates.
Date math
Count the exact number of days, weeks, and months between any two dates.
Date math
Add or subtract days, weeks, and months from any date to find a future or past date.