| Date | Holiday |
|---|---|
| 2027-01-01 | New Year's Day |
| 2027-01-18 | Martin Luther King Jr. Day |
| 2027-03-01 | Guam History and Chamorro Heritage Day |
| 2027-05-31 | Memorial Day |
| 2027-06-18 | Juneteenth (substitute day) |
| 2027-06-19 | Juneteenth |
| 2027-07-04 | Independence Day |
| 2027-07-05 | Independence Day (substitute day) |
| 2027-07-21 | Liberation Day |
| 2027-09-06 | Labor Day |
| 2027-10-11 | Columbus Day |
| 2027-11-02 | All Souls' Day |
| 2027-11-11 | Veterans Day |
| 2027-11-25 | Thanksgiving Day |
| 2027-12-08 | Our Lady of Camarin Day |
| 2027-12-24 | Christmas Day (substitute day) |
| 2027-12-25 | Christmas Day |
| 2027-12-31 | New Year's Day (substitute day) |