Business Date Calculator

Add or subtract working days while skipping weekends and your own holiday dates.

How to use business date calculator

  1. Choose a start date and a signed number of workdays
  2. Enter any holidays to exclude
  3. Read the resulting deadline

Worked example

Friday October 9, 2026 + 1 working day

Monday October 12, 2026

How the result is calculated

The starting date is day zero. The calculator moves forward or backward, counting only Monday–Friday and skipping entered holidays. No country holiday calendar is assumed.

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

Keep your next week in view.

Add the resulting deadline as a calendar event, then display it in Monthly or Weekly Calendar. Check any workplace-specific holiday rules yourself.

  1. 1Add the events you want to see to your calendar.
  2. 2Enable that calendar in the app.
  3. 3Add Weekly Calendar; use Edit Widget → Design to choose its look.
Get early accessExplore widget designs

Web results do not automatically sync to the app. Setup is manual; calendar events appear through your enabled calendars.

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CelebrationWorkshopMeetingProject reviewTeam dinner
Weekly Calendar · example design from the app

Frequently asked questions

How does this business date work?
The starting date is day zero. The calculator moves forward or backward, counting only Monday–Friday and skipping entered holidays. No country holiday calendar is assumed.
How can I use the result with Monthly Calendar Widgets?
Add the resulting deadline as a calendar event, then display it in Monthly or Weekly Calendar. Check any workplace-specific holiday rules yourself.
Do I need an account to use this tool?
No. The tool works in your browser without an account. Your inputs are not sent to our servers. Downloaded files stay on your device.

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