Annual-
Memorial Day, Patriots Day, Pearl Harbor Day, Peace Officers Memorial Day and National Firefighters Day
Deaths-
For current and former presidents, a 30-day observation is customary, while the flag is lowered for 10 days following the death of a vice president, current or retired Chief Justice of the Supreme Court or House Speaker. For some other officials, the display lasts from the day of death to the day of interment, while others are honored on the day of death and the following day.
Annual- Memorial Day, Patriots Day, Pearl Harbor Day, Peace Officers Memorial Day and National Firefighters Day
Deaths- For current and former presidents, a 30-day observation is customary, while the flag is lowered for 10 days following the death of a vice president, current or retired Chief Justice of the Supreme Court or House Speaker. For some other officials, the display lasts from the day of death to the day of interment, while others are honored on the day of death and the following day.