The U.S. Mission will observe the following official U.S. and Panamanian holidays during calendar year 2004.
| Date | Day | Holiday | Country |
|---|---|---|---|
| Jan 1 | Thursday | New Year's Day | U.S./Panama |
| Jan 9 | Friday | Mourning Day | Panama |
| Jan 19 | Monday | Martin Luther King's Birthday | U.S. |
| Feb 16 | Monday | President's Day | U.S. |
| Feb 24 | Tuesday | Carnival | Panama |
| Apr 9 | Friday | Good Friday | Panama |
| May 1 | Saturday | Labor Day | Panama |
| May 31 | Monday | Memorial Day | U.S. |
| Jul 4 | Sunday | U.S. Independence Day (to be observed Monday, July 5) | U.S. |
| Sept 6 | Monday | Labor Day | U.S. |
| Oct 11 | Monday | Columbus Day | U.S. |
| Nov 3 | Wednesday | Panama's Independence Day from Colombia | Panama |
| Nov 5 | Friday | Colon's Day | Panama |
| Nov 10 | Wednesday | The Uprising of Los Santos | Panama |
| Nov 11 | Thursday | Veteran's Day | U.S. |
| Nov 25 | Thursday | Thanksgiving Day | U.S. |
| Nov 28 | Sunday | Panama's Independence Day from Spain (to be observed Monday, November 29) | Panama |
| Dec 8 | Wednesday | Panamanian Mother's Day | Panama |
| Dec 25 | Saturday | Christmas Day (to be observed Friday, December 24) | U.S./Panama |
| Because January 1, 2005 (New Year's Day) falls on a Saturday, the holiday will be observed on Friday, December 31, 2004. |
