1998 Holidays
| Holidays 1998 | Week Day | Date |
| New Year's Day | Thursday | January 1, 1998 |
| Epiphany | Tuesday | January 6, 1998 |
| Martin Luther King Jr's Day | Monday | January 19, 1998 |
| Ground Hog Day | Monday | February 2, 1998 |
| Valentine's Day | Saturday | February 14, 1998 |
| President's Day | Monday | February 16, 1998 |
| Ash Wednesday | Wednesday | February 25, 1998 |
| Saint Patrick's Day | Tuesday | March 17, 1998 |
| Palm Sunday | Sunday | April 5, 1998 |
| Good Friday | Friday | April 10, 1998 |
| Easter | Sunday | April 12, 1998 |
| Easter Monday | Monday | April 13, 1998 |
| Income Tax Day | Wednesday | April 15, 1998 |
| Earth Day | Wednesday | April 22, 1998 |
| Arbor Day | Friday | April 24, 1998 |
| Cinco de Mayo | Tuesday | May 5, 1998 |
| Mother's Day | Sunday | May 10, 1998 |
| National Maritime Day | Friday | May 22, 1998 |
| Memorial Day | Monday | May 25, 1998 |
| National Missing Children's Day | Monday | May 25, 1998 |
| D-Day | Saturday | June 6, 1998 |
| Flag Day | Sunday | June 14, 1998 |
| Father's Day | Sunday | June 21, 1998 |
| Independence Day (Observed) | Friday | July 3, 1998 |
| Independence Day | Saturday | July 4, 1998 |
| Labor Day | Monday | September 7, 1998 |
| Patriot Day | Friday | September 11, 1998 |
| Grandparent's Day | Sunday | September 13, 1998 |
| Columbus Day | Monday | October 12, 1998 |
| Halloween | Saturday | October 31, 1998 |
| All Saints' Day | Sunday | November 1, 1998 |
| All Souls' Day | Monday | November 2, 1998 |
| Election Day | Tuesday | November 3, 1998 |
| Veteran's Day | Wednesday | November 11, 1998 |
| Thanksgiving Day | Thursday | November 26, 1998 |
| Black Friday | Friday | November 27, 1998 |
| Cyber Monday | Monday | November 30, 1998 |
| Pearl Harbor Day | Monday | December 7, 1998 |
| Feast of the Immaculate Conception | Tuesday | December 8, 1998 |
| Christmas Eve | Thursday | December 24, 1998 |
| Christmas Day | Friday | December 25, 1998 |
| New Year's Eve | Thursday | December 31, 1998 |