standard 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 United States (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.
Origin of standard time
1Words Nearby standard time
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use standard time in a sentence
For Cat, that means chowing down on her normal food, Hill’s Science Diet Adult Sensitive Stomach & Skin, at standard times, even if that means pulling over mid-road trip for a food break.
Fifty years ago, the state legislature opted to keep the clocks in most of the state in standard time all year.
Daylight saving time begins Sunday: 8 things to know about “springing forward” | Brian Resnick | March 12, 2021 | VoxThe time shift means we lose an hour of sleep, but in exchange we’ll enjoy more evening light for the next eight months — until we “fall back” to standard time again in early November.
Spring forward forever? Lawmakers consider keeping daylight saving time year-round. | Justin Grieser | March 12, 2021 | Washington PostThe dark winter mornings were not too popular, however, and ever since, we’ve switched the clocks back to standard time during the winter months.
Spring forward forever? Lawmakers consider keeping daylight saving time year-round. | Justin Grieser | March 12, 2021 | Washington PostEnvironmentalists, favoring less energy consumption from morning heating and evening air conditioning, often support permanent standard time.
Why Sleep Experts Say It’s Time To Ditch Daylight Saving Time | LGBTQ-Editor | October 29, 2020 | No Straight News
At about 10:30 am eastern standard time, Bergdahl was released from his captors.
Here are the Taliban Terrorists Obama Released to Free POW Bowe Bergdahl | Eli Lake, Josh Rogin | May 31, 2014 | THE DAILY BEASTHe lived in Washington, but his moral time zone was set to Evil standard time.
Christopher Hitchens Eulogized by Roya Hakakian | Roya Hakakian | December 16, 2011 | THE DAILY BEASTAt precisely half past 9, Eastern standard time, the bell clanged away.
The sun, I notice on this day when Daylight Saving has reverted to standard time, has imperceptibly set.
Past that, things rocked along until the hands of the big standard-time clock in the despatcher's room pointed to midnight.
The Wreckers | Francis LyndeTo Professor Langley, more than to any other person is due the effective regulation of standard time throughout the country.
Heroes of To-Day | Mary R. ParkmanCompare your watch with the time signals in the nearest telegraph office and find its correction referred to standard time.
A Text-Book of Astronomy | George C. ComstockA day and a half—Earth standard time—to construct an operating dam across the stream.
Gone Fishing | James H. Schmitzstandard time throughout the United States and Canada has been established in accord with this principle.
British Dictionary definitions for standard time
the official local time of a region or country determined by the distance from Greenwich of a line of longitude passing through the area
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for standard time
The time in any of the 24 time zones into which the Earth's surface is divided, usually the mean time at the central meridian of the given zone. There are four standard time zones in the contiguous continental United States: Eastern, using the 75th meridian; Central, using the 90th meridian; Mountain, using the 105th meridian; and Pacific, using the 120th meridian. Alaska Standard Time, centered on the 135th meridian, is one hour behind Pacific time, and Hawaii Standard Time, centered on the 150th meridian, is one hour behind Alaska time. See more at daylight-saving time time zone.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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