Federal holidays will be observed on the following dates:
| Martin Luther King Jr. Day | Monday, January 15, 2018 | |
| President's Day | Monday, February 19, 2018 | |
| Good Friday | Friday, March 30, 2018 Saturday, March 31, 2018 |
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| Downtown Activities (involving street closures and restricted parking in the area around the Library and Archives) | Saturday, April 28, 2018 | |
| Memorial Day | Monday, May 28, 2018 | |
| Independence Day | Wednesday, July 4, 2018 | |
| Labor Day | Monday, September 3, 2018 | |
| Columbus Day* | The Governor has substituted the Friday after the fourth Thursday in November for the Columbus Day holiday. |
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| Veterans Day | Monday, November 12, 2018 | |
| Thanksgiving* | Thursday, November 22, 2018 Friday, November 23, 2018 |
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| Christmas | Tuesday, December 25, 2018 | |
| New Year's Day | Tuesday, January 1, 2019 |
* The Governor has substituted the Friday after the fourth Thursday in November for the Columbus Day holiday.
