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The clock time in this zone is based on the mean solar time of the meridian 52 degrees and 30 arcminutes west of the Greenwich Observatory. It is observed solely in the Canadian province of Newfoundland and Labrador. The Newfoundland Time Zone is the only active time zone with a half-hour offset from UTC in the Americas.
The tz database partitions the world into regions where local clocks all show the same time. This map was made by combining version 2023d with OpenStreetMap data, using open source software. [1] This is a list of time zones from release 2025a of the tz database. [2]
Time zones were therefore a compromise, relaxing the complex geographic dependence while still allowing local time to be approximate with mean solar time. Railroad managers tried to address the problem by establishing 100 railroad time zones, but this was only a partial solution to the problem. [2]
Some U.S. time zones, such as the Samoa Time Zone, are not on this map. This is a list of the time offsets by U.S. states, federal district, and territories. For more about the time zones of the U.S. see time in the United States. Most states are entirely contained within one time zone. However, some states are in two time zones, due to ...
North America UTC−5 hours HNP Heure Normale du Pacifique: North America UTC−8 hours HNR Heure Normale des Rocheuses: North America UTC−7 hours HNT Heure Normale de Terre-Neuve: North America UTC−3:30 hours HNY Heure Normale du Yukon: North America UTC−9 hours HST Hawaii–Aleutian Standard Time: North America UTC−10 hours I India ...
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 template shows North American time zones. This page was last edited on 6 February 2023, at 12:44 (UTC). Text is available under the Creative Commons Attribution ...
Newfoundland Standard Time (NST) ... Map CA +4734−05243 America/St_Johns Newfoundland, Labrador (SE) ... Effects of time zones on North American broadcasting;