May 15 – Peace Officers Memorial Day: half staff from sunrise to sunset
Last Monday in May – Memorial Day: the flag should be displayed at half-staff until noon and then raised to full-staff. Full staff shows that the nations lives, for the flag is the symbol of the living nation.
September 11 – Patriot Day: half-staff from sunrise to sunset
Sunday, usually of week in which October 9 falls – Fire Prevention week: half-staff from sunrise to sunset
December 7 – Pearl Harbor Remembrance Day: half-staff from sunrise to sunset
Upon reliable information that the current or former President, current Vice President, Current or former Chief Justice, or current Speaker of the House has died.
Upon Presidential proclamation or proclamation by your state’s governor
When the US flag is at half-staff no other flag should be placed above the flag.
When multiple flags are flown from adjacent staff, the flag of the US should be hoisted first and lowered last.