Business days calculator › Guam
Business days calculator: Guam
Count working days between two dates in Guam, or add business days to a date. Weekends (Saturday and Sunday) and Guam public holidays are skipped.
Planning time off? See how to maximise your annual leave in Guam in 2027: the exact days to book for the longest breaks.
Working days in Guam, 2026 and 2027
| Month | 2026 | 2027 |
|---|---|---|
| January | 20 | 19 |
| February | 20 | 20 |
| March | 21 | 22 |
| April | 22 | 22 |
| May | 20 | 20 |
| June | 21 | 21 |
| July | 21 | 20 |
| August | 21 | 22 |
| September | 21 | 21 |
| October | 21 | 20 |
| November | 18 | 19 |
| December | 21 | 20 |
| Total | 247 | 246 |
National public holidays only; weekends are Saturday and Sunday.
Public holidays in Guam, 2026
| Date | Day | Holiday |
|---|---|---|
| 1 Jan 2026 | Thursday | New Year's Day |
| 19 Jan 2026 | Monday | Martin Luther King Jr. Day |
| 2 Mar 2026 | Monday | Guam History and Chamorro Heritage Day |
| 25 May 2026 | Monday | Memorial Day |
| 19 Jun 2026 | Friday | Juneteenth |
| 3 Jul 2026 | Friday | Independence Day (substitute day) |
| 4 Jul 2026 | Saturday | Independence Day |
| 21 Jul 2026 | Tuesday | Liberation Day |
| 7 Sept 2026 | Monday | Labour Day |
| 12 Oct 2026 | Monday | Columbus Day |
| 2 Nov 2026 | Monday | All Souls' Day |
| 11 Nov 2026 | Wednesday | Veterans Day |
| 26 Nov 2026 | Thursday | Thanksgiving Day |
| 8 Dec 2026 | Tuesday | Our Lady of Camarin Day |
| 25 Dec 2026 | Friday | Christmas Day |
Full lists with long weekends: Guam public holidays 2026 · Guam 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 Guam holidays in your calendar
Add every Guam public holiday to Google Calendar, Outlook or Apple Calendar. The feed updates automatically each year.
Add to Google CalendarApple / Outlook (webcal) ·Download .ics
Frequently asked questions
How many working days are there in Guam in 2026?
247 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 Guam?
Saturday and Sunday. You can change the weekend days in the calculator options if your workplace differs.
Does this include local holidays?
Guam has no separate regional holiday calendars in our data, so national holidays apply everywhere.