Hawaii-aleutian Time Zone Website Links For
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Hawaii-aleutian Time Zone




The Hawaii-Aleutian Time Zone observes Hawaii-Aleutian Standard Time (HST), by subtracting ten hours from Coordinated Universal Time ( UTC-10 ). The clock time in this zone is based on the Mean Solar Time of the 150th degree Meridian west of the Greenwich Observatory .

The zone also includes Alaska 's Aleutian Islands west of 169° 30′ west, along with Hawaii .
The portion in the Aleutian islands observes DST while Hawaii does not.

Hawaii used a Standard Time of GMT -10:30 from 1900 until 1947, when clocks were changed to the present -10:00 zone. {Link without Title}


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