| 01 January | Monday | New Year's Day | National holiday | |
| 15 January | Monday | Martin Luther King Jr. Day | National holiday | |
| 14 February | Wednesday | Valentine's Day | Observance | |
| 04 March | Monday | Guam History and Chamorro Heritage Day | National holiday | |
| 29 March | Friday | Good Friday | Observance | |
| 31 March | Sunday | Easter Sunday | Observance | |
| 15 April | Monday | Tax Day | Observance | |
| 24 April | Wednesday | Administrative Professionals Day | Observance | |
| 12 May | Sunday | Mother's Day | Observance | |
| 27 May | Monday | Memorial Day | National holiday | |
| 16 June | Sunday | Father's Day | Observance | |
| 19 June | Wednesday | Juneteenth | National holiday | |
| 04 July | Thursday | Independence Day | National holiday | |
| 22 July | Monday | Liberation Day | National holiday | |
| 02 September | Monday | Labor Day | National holiday | |
| 14 October | Monday | Columbus Day | National holiday | |
| 31 October | Thursday | Halloween | Observance | |
| 02 November | Saturday | All Souls' Day | National holiday | |
| 05 November | Tuesday | Election Day | Observance | |
| 11 November | Monday | Veterans Day | National holiday | |
| 28 November | Thursday | Thanksgiving Day | National holiday | |
| 29 November | Friday | Day after Thanksgiving Day | Observance | |
| 09 December | Monday | Our Lady of Camarin Day | National holiday | |
| 24 December | Tuesday | Christmas Eve | optional | |
| 25 December | Wednesday | Christmas Day | National holiday | |
| 31 December | Tuesday | New Year's Eve | Observance | |