Quick answer: Guam has 249 business days in 2025 for a default Monday-Friday week, for the period Jan 1, 2025 through Dec 31, 2025.
Month-by-month business days (2025)
Weekdays counted: Monday-Friday.
| Month | Business days | Public holiday days in month |
|---|---|---|
| January | 21 | 2 |
| February | 20 | 0 |
| March | 20 | 1 |
| April | 22 | 0 |
| May | 21 | 1 |
| June | 21 | 0 |
| July | 21 | 2 |
| August | 21 | 0 |
| September | 21 | 1 |
| October | 23 | 0 |
| November | 17 | 4 |
| December | 21 | 2 |
Public holidays in 2025 (Guam)
National public holidays that overlap the same date range as the business day calculation.
| Date | Name |
|---|---|
| Jan 1, 2025 | New Year |
| Jan 20, 2025 | Martin Luther King Jr. Day |
| Mar 3, 2025 | Guam History and Chamorro Heritage Day |
| May 26, 2025 | Memorial Day |
| Jul 4, 2025 | Independence Day |
| Jul 21, 2025 | Liberation Day |
| Sep 1, 2025 | Labor Day |
| Nov 2, 2025 | All Souls' Day |
| Nov 3, 2025 | All Souls' Day |
| Nov 11, 2025 | Veterans Day |
| Nov 27, 2025 | Thanksgiving |
| Dec 8, 2025 | Santa Marian Kamalen Day |
| Dec 25, 2025 | Christmas Day |
Key insights
Total working days
Default Monday-Friday workweek in 2025.
Highest month
23 working days.
Lowest month
17 working days.
Holidays included
National public holidays excluded from the total.
Related guides & tools
Frequently asked questions
How many working days are there in Guam in 2025?
Guam has 249 working days in 2025 using a default Monday-Friday workweek and excluding national public holidays.
Are public holidays included in the calculation?
Yes. National public holidays in 2025 are excluded from the working-day total (about 13 calendar days in this dataset).
Which month has the fewest working days?
November has the fewest working days, with 17.
Can I customize the working week or include a region?
Yes. Use the business days calculator to change weekdays, add a region filter (when available), or calculate a custom range.