APO: Apprentice Police Officer (various locations) APO: Ares Projects Office: APO: Army Procurement Objective: APO: ALARA Program Office: APO: Administrative Policy Office: APO: Acquisition Project/Program Office(r) APO: Advanced Production Orders: APO: Adaptive Planning Option: APO: FAA Aviation Policy and Plans Office: APO: Automated Project Order Form System: APO
US States and Territories Without DST. States and territories in the United States that do not observe daylight saving time, aside from most of Arizona, include: Hawaii, American Samoa, Guam, Puerto Rico, and the Virgin Islands. Some parts of Indiana did not observe daylight saving time in the past.
In 1917, Australia and Newfoundland began saving daylight. The plan was not formally adopted in the U.S. until 1918. ' An Act to preserve daylight and provide standard time for the United States ' was enacted on March 19, 1918. [See law] It both established standard time zones and set summer DST to begin on March 31, 1918. Daylight Saving Time was observed for seven months in 1918 and 1919.