| Month |
Day |
Holiday |
| January 1 |
Wednesday |
New Year's Day |
| January 20 |
Monday |
Martin Luther King, Jr.'s Birthday |
| February 17 |
Monday |
Presidents Day |
| March 23 |
Monday |
Cesar Chavez's Birthday |
| May 25 |
Monday |
Memorial Day |
| July 2 |
Thursday |
Independence Day |
| September 7 |
Monday |
Labor Day |
| September 9 |
Wednesday |
Admission Day (OHA offices closed) |
| November 11 |
Wednesday |
Veterans Day |
| November 26 |
Thursday |
Thanksgiving Day |
| November 27 |
Friday |
Day after Thanksgiving Day |
| December 24 |
Thursday |
Christmas Eve (OHA offices closed) |
| December 25 |
Friday |
Christmas Day |
| December 30 |
Wednesday |
New Year's Eve (OHA offices closed) |