Business days calculator
Count days using your weekends and supplied holidays.
Business days calculator
Make it yours
Adjust the values, then get your result.
How to use Business days calculator
The Business days calculator counts working days between a start date and an end date, skipping the weekend days and holiday dates you supply. Weekends default to Saturday and Sunday (ISO days 6 and 7) but can be any set of weekdays. The start date is always included, the end date is optional, and ranges can span up to 100 years.
- Enter the requested values in the settings panel.
- Adjust the basic settings, then open Advanced mode for export and fine-tuning options. Custom settings stay active when the panel is closed.
- Run business days calculator, review the output, then use the available copy or download controls.
What this tool supports
Excludes the weekend days and holiday dates you provide. No country holiday calendar is inferred. Start date is included; end-date inclusion is configurable.
- Start date
- Set this value for your task.
- End date
- Set this value for your task.
- Weekend days (ISO Monday=1)
- Set this value for your task.
- Holiday dates (one YYYY-MM-DD per line)
- Set this value for your task.
- Include end date
- Set this value for your task.
Limits and processing
Use finite numbers, valid dates and the ranges shown by each control. Invalid values produce an error without a downloadable result.
Frequently asked questions
Does the business days calculator include public holidays?
Not automatically. No country holiday calendar is built in. Paste your holiday dates into the holiday box, one YYYY-MM-DD date per line, and each one that falls on a working day is removed from the count.
How do I set a Friday and Saturday weekend?
Enter 5,6 in the weekend days field. Days use ISO numbering, where Monday is 1 and Sunday is 7. The default of 6,7 means Saturday and Sunday. Any comma-separated list of 1 to 7 is accepted.
Is the end date counted as a business day?
Only if you turn on Include end date. The start date is always counted. The result also lists the calendar days in the interval so you can compare. The end date must not be earlier than the start date.
Where is my input processed?
This operation processes its source in your browser. Copy and download are explicit actions; source input is not saved in an account or history.
What are the input limits?
Use finite numbers, valid dates and the ranges shown by each control. Invalid values produce an error without a downloadable result.