Government of Guam Holidays
The Department of Revenue and Taxation will be closed on the following Government of Guam observed holidays:
| Jan. 2, 2023 | NEW YEAR'S DAY (Observed) | |
| Jan. 16, 2023 | MARTIN LUTHER KING JR. DAY (Observed) | |
| Mar. 6, 2023 | GUAM HISTORY & CHAMORRO HERITAGE DAY | |
| May 29, 2023 | MEMORIAL DAY | |
| July 4, 2023 | INDEPENDENCE DAY | |
| July 21, 2023 | LIBERATION DAY | |
| Sep. 4, 2023 | LABOR DAY | |
| Nov. 2, 2023 | ALL SOULS' DAY | |
| Nov. 10, 2023 | VETERANS DAY (Observed) | |
| Nov. 23, 2023 | THANKSGIVING DAY | |
| Dec. 8, 2023 | SANTA MARIAN KAMALEN DAY | |
| Dec. 25, 2023 | CHRISTMAS DAY |