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NZ Working Day Calculator

The right deadline. First time.

Count NZ working days with national public holidays, regional anniversary days, and the shutdown options that often change real deadline runs.

Built for legal, property, payroll, and operations teams who need visible counting assumptions.

Calculate NZ Working Days

Calculation typeDeadline finds a date by counting forward or backward. Days between counts from one date to another. Sequential runs several periods one after the other.
Counting methodChoose Working days to leave out the selected days of the week, public holidays and additional excluded periods. Choose Calendar days to count every date.

Holiday calendar

Regional anniversary days
Additional excluded periods

Dates to include

Choose which dates to count. Whether to count the start date, the final date, both or neither depends on the governing rule or contract.

Period to calculate

Unitdays

Your result will appear here

Choose your settings, then press Calculate.

NZ Working Day Calculator

Count working days between two dates, or add or subtract days to find a date. Choose your region and any shutdown periods that apply.

What you can do with the calculator

Add or subtract working days or calendar days to find a date.

Find the number of working days or calendar days between two dates, using your chosen holidays and shutdown periods.

Choose whether to count the start and end dates. The guide explains which settings to use for the wording in section 54 of the Legislation Act.

Choose the regional anniversary day you need, or combine regions for planning across locations.

Includes New Zealand public holidays and substitute days when holidays fall on weekends.

Leave out a summer shutdown period when your contract or legal rules require it. The guide explains the available options for property, construction, court and resource consent deadlines.

Calculate linked periods so each end date becomes the next start date. Useful for transactions, approvals and projects with several stages.

See which days were left out and why, so you can check the calculation.

Count every day, including weekends and public holidays, when your deadline uses calendar days.

Working Day Calculations For New Zealand

WorkingDayCalculator.nz helps you count NZ working days using public holidays, regional anniversary days, and optional shutdown periods, with clear visibility over the assumptions applied.

Use it to calculate deadline dates, compare counting methods, and review excluded dates for legal, property, operational, and project-planning purposes.

Learn more about our methodology, data sources, and publisher, or explore real-world use cases.

Clear date counting. Visible assumptions.