Business days calculator › French Guiana
Business days calculator: French Guiana
Count working days between two dates in French Guiana, or add business days to a date. Weekends (Saturday and Sunday) and French Guiana public holidays are skipped.
Planning time off? See how to maximise your annual leave in French Guiana in 2027: the exact days to book for the longest breaks.
Working days in French Guiana, 2026 and 2027
| Month | 2026 | 2027 |
|---|---|---|
| January | 21 | 20 |
| February | 20 | 20 |
| March | 22 | 22 |
| April | 21 | 22 |
| May | 17 | 19 |
| June | 21 | 21 |
| July | 22 | 21 |
| August | 21 | 22 |
| September | 22 | 22 |
| October | 22 | 21 |
| November | 20 | 20 |
| December | 22 | 23 |
| Total | 251 | 253 |
National public holidays only; weekends are Saturday and Sunday.
Public holidays in French Guiana, 2026
| Date | Day | Holiday |
|---|---|---|
| 1 Jan 2026 | Thursday | New Year's Day |
| 6 Apr 2026 | Monday | Easter Monday |
| 1 May 2026 | Friday | Labour Day |
| 8 May 2026 | Friday | Victory Day |
| 14 May 2026 | Thursday | Ascension Day |
| 25 May 2026 | Monday | Whit Monday |
| 10 Jun 2026 | Wednesday | Abolition of Slavery |
| 14 Jul 2026 | Tuesday | Bastille Day |
| 15 Aug 2026 | Saturday | Assumption |
| 1 Nov 2026 | Sunday | All Saints' Day |
| 11 Nov 2026 | Wednesday | Armistice Day |
| 25 Dec 2026 | Friday | Christmas Day |
Full lists with long weekends: French Guiana public holidays 2026 · French Guiana 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 French Guiana holidays in your calendar
Add every French Guiana public holiday to Google Calendar, Outlook or Apple Calendar. The feed updates automatically each year.
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Frequently asked questions
How many working days are there in French Guiana 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 French Guiana?
Saturday and Sunday. You can change the weekend days in the calculator options if your workplace differs.
Does this include local holidays?
French Guiana has no separate regional holiday calendars in our data, so national holidays apply everywhere.