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stand'ard time"




the civil time officially adopted for a country or region, usually the civil time of some specific meridian lying within the region. The standard time zones in the U.S. (Atlantic time, Eastern time, Central time, Mountain time, Pacific time, Yukon time, Alaska-Hawaii time, and Bering time) use the civil times of the 60th, 75th, 90th, 105th, 120th, 135th, 150th, and 165th meridians respectively, the difference of time between one zone and the next being exactly one hour. See diag. under time zone.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

standard temperature and pressurestandaway
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