Hawaii–Aleutian Time Zone Hawaii–Aleutian Time Zone The Hawaii–Aleutian Time Zone observes Hawaii–Aleutian Standard Time (HST), by subtracting ten hours from Coordinated Universal Time (). The clock time in this zone is based on the mean solar time of the 150th meridian west of the Greenwich Observatory. The zone takes its name from the two areas it includes: Hawaii and the portion of Alaska's Aleutian Islands west of 169° 30′ W longitude. During daylight saving time, the Alaskan portion observes Hawaii–Aleutian Daylight Time (HDT, ), while Hawaii stays on standard time. From 1900 until 1947, GMT−10:30 was used as standard time in Hawaii. French
British Poultry Standard turkeys; pigeons are not included. Editions of the standards include, but probably are not limited to, these: British Poultry Standard The British Poultry Standard is the oldest poultry fancy breed standard in the world. It is published by the Poultry Club of Great Britain and is the official reference standard used by judges at poultry shows within the United Kingdom and the Republic of Ireland. The standard was first published in 1865 by the original Poultry Club of Great Britain, a club which existed for only three years. It was entitled "The standard of excellence in Exhibition Poultry" and was