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This is a list of the UTC time offsets, showing the difference in hours and minutes from Coordinated Universal Time (UTC), from the westernmost (−12:00) to the easternmost (+14:00). It includes countries and regions that observe them during standard time or year-round.
utc−04:00 Independent of daylight saving time, solar noon in Connecticut on the March equinox is approximately 11:54 in the northeast corner and 12:02 in the southwest corner. New England , which includes Connecticut, is one of the few areas in the United States where solar noon is before noon.
Since then, local times change at 2:00 a.m. EST to 3:00 a.m. EDT on the second Sunday in March, and return from 2:00 a.m. EDT to 1:00 a.m. EST on the first Sunday in November. [4] In Canada, daylight saving time begins and ends on the same days and at the same times as it does in the United States. [5] [6]
utc−04:00 Independent of daylight saving time, solar noon on the March equinox is about 12:00 in Western Massachusetts and 11:47 in Nantucket to the east. New England , which includes Massachusetts, is one of the few areas in the United States where solar noon is before noon.
UTC is, within about 1 second, mean solar time at 0°. [6] UTC does not observe daylight saving time. For most purposes, UTC is considered interchangeable with GMT, but GMT is no longer precisely defined by the scientific community. UTC is one of several closely related successors to GMT.
Such designations can be ambiguous; for example, "CST" can mean China Standard Time (UTC+08:00), Cuba Standard Time (UTC−05:00), and (North American) Central Standard Time (UTC−06:00), and it is also a widely used variant of ACST (Australian Central Standard Time, UTC+9:30). Such designations predate both ISO 8601 and the internet era; in ...
This format uses DDHHMMZMONYY, with DD being the two-digit day, HHMM being the time on a 24-hour clock, Z being the timezone code, MON being the three-letter month, and YY being the two-digit year. For example, 041200ZFEB23 is noon, UTC, on 4 Feb 2023. [13]
Using right now (18 November 2016, 17:43 UTC) as an example, daylight saving time is in effect. In the table—before the edits—the notation for eastern time, UTC−05:00, means that 5 hours should be subtracted from UTC, so eastern time is 12:43 (which is in fact true). The notation for Pacific time, UTC-08:00, means subtract 8 hours from ...