From the Abercrombie administration:

In observance of the 71st anniversary of the attack on Pearl Harbor and other installations across Oahu, Governor Neil Abercrombie today ordered that all Hawaii flags at all state offices and agencies as well as the Hawaii National Guard are to be flown at half-staff alongside U.S. flags from sunrise to sunset on Friday, Dec. 7, 2012.

President Barack Obama has proclaimed Dec. 7, 2012, as National Pearl Harbor Remembrance Day. In his proclamation, President Obama stated:  

“Today, we pay solemn tribute to America’s sons and daughters who made the ultimate sacrifice … let us also reaffirm that their legacy will always burn bright – whether in the memory of those who knew them, the spirit of service that guides our men and women in uniform today, or the heart of the country they kept strong and free.”