Nightroll

Free Business Days Calculator

Count working days between dates, or find the date a number of working days away.

Results

Business days between the dates–
Date after adding business days–

How to make a business days calculation

  1. Enter a start date and an end date.
  2. Choose your weekend and paste any holidays (one date per line).
  3. Read the business days between them, and the date after the number of business days you enter.

Frequently asked questions

Are public holidays included?
Add them yourself as dates (2026-12-25), one per line, so the count matches your country or company.
Is my data stored?
No. Everything is calculated in your browser and your inputs are saved only on this device.