Business days calculator › Cook Islands
Business days calculator: Cook Islands
Count working days between two dates in Cook Islands, or add business days to a date. Weekends (Saturday and Sunday) and Cook Islands public holidays are skipped, and you can include holidays for any of 10 states or regions.
Planning time off? See how to maximise your annual leave in Cook Islands in 2027: the exact days to book for the longest breaks.
Working days in Cook Islands, 2026 and 2027
| Month | 2026 | 2027 |
|---|---|---|
| January | 20 | 19 |
| February | 20 | 20 |
| March | 22 | 21 |
| April | 20 | 22 |
| May | 21 | 21 |
| June | 21 | 21 |
| July | 22 | 21 |
| August | 20 | 21 |
| September | 22 | 22 |
| October | 21 | 20 |
| November | 21 | 22 |
| December | 21 | 21 |
| Total | 251 | 251 |
National public holidays only; weekends are Saturday and Sunday.
Public holidays in Cook Islands, 2026
| Date | Day | Holiday |
|---|---|---|
| 1 Jan 2026 | Thursday | New Year's Day |
| 2 Jan 2026 | Friday | Day after New Year's Day |
| 3 Apr 2026 | Friday | Good Friday |
| 6 Apr 2026 | Monday | Easter Monday |
| 25 Apr 2026 | Saturday | Anzac Day |
| 1 Jun 2026 | Monday | Queen's Birthday |
| 3 Jul 2026 | Friday | Ra o te Ui Ariki (House of Ariki) |
| 4 Aug 2026 | Tuesday | Constitution Day |
| 26 Oct 2026 | Monday | National Gospel Day |
| 25 Dec 2026 | Friday | Christmas Day |
| 26 Dec 2026 | Saturday | Boxing Day |
| 28 Dec 2026 | Monday | Boxing Day (substitute day) |
Full lists with long weekends: Cook Islands public holidays 2026 · Cook Islands public holidays 2027
Holiday list for Excel and Google Sheets
Paste these dates into a column, name the range Holidays, then use=NETWORKDAYS(A2, B2, Holidays) to count working days or =WORKDAY(A2, 10, Holidays) to add them.
Subscribe to Cook Islands holidays in your calendar
Add every Cook Islands public holiday to Google Calendar, Outlook or Apple Calendar. The feed updates automatically each year.
Add to Google CalendarApple / Outlook (webcal) ·Download .ics
State and regional feeds for Cook Islands
Frequently asked questions
How many working days are there in Cook Islands in 2026?
251 working days, counting Saturday and Sunday as the weekend and excluding national public holidays that fall on working days. State or regional holidays can reduce this further.
Which days are the weekend in Cook Islands?
Saturday and Sunday. You can change the weekend days in the calculator options if your workplace differs.
Does this include state and regional holidays?
The tables on this page use national holidays. Choose one of the 10 states or regions in the calculator to include its local holidays.