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
Mountain Standard Time (band) and have encouraged the taping and dissemination of their live performances. Many of these early shows can still be found on Live Music Archive to this day. Due to series of chance meetings early in 2008, the Mountain Standard Time line-up began to change, their popularity grew and Mountain Standard Time began to imprint their brand of bluegrass, which they call "non-linear aquatic gypsy-grass", on the minds of an ever growing audience. They began to play up and down Colorado's Front Range, throughout the state and beyond. However, their biggest break most likely came in 2009, when they played their