Particular days for display

The flag should especially be displayed at full staff on the following days:

• January: 1 (New Year's Day) and 20 (Inauguration Day, once every four years)
• February: 12 (Lincoln's birthday) and the third Monday (Presidents' Day, originally Washington's birthday which is the 22nd)
• May: Third Saturday (Armed Forces Day) and last Monday (Memorial Day; half-staff until noon)
• June: 14 (Flag Day)
• July: 4 (Independence Day)
• September: First Monday (Labor Day),11 (Patriot Day), and 17 (Constitution Day)
• October: Second Monday (Columbus Day) and 28 (Navy Day)
• November: November 11 (Veterans Day) and fourth Thursday (Thanksgiving Day)
• and such other days as may be proclaimed by the President of the United States; the birthdays of states (date of admission); and on state holidays.
• The flag is displayed at half-staff (half-mast in naval usage) as a sign of respect or mourning.