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Standard Time (SDT) and Daylight Saving Time (DST) offsets from UTC in hours and minutes. For zones in which Daylight Saving is not observed, the DST offset shown in this table is a simple duplication of the SDT offset.
The Norwegian-Russian border and Belarus–Poland border are the only places where CET (UTC+1) borders Moscow time , resulting in a one (or two in winter) hour time change when crossing that border. There is a "tri-zone" point (where UTC+01:00 , UTC+02:00 , and UTC+03:00 meet) at the Norway-Finland-Russia tripoint , near the town of Rayakoski .
Greenwich Mean Time (GMT) is the local mean time at the Royal Observatory in Greenwich, London, counted from midnight. At different times in the past, it has been calculated in different ways, including being calculated from noon ; [ 1 ] as a consequence, it cannot be used to specify a particular time unless a context is given.
Daylight saving time (DST), also referred to as daylight saving(s), daylight savings time, daylight time (United States and Canada), or summer time (United Kingdom, European Union, and others), is the practice of advancing clocks to make better use of the longer daylight available during summer so that darkness falls at a later clock time.
2: UTC+10:00 – States of Chuuk and Yap UTC+11:00 – States of Kosrae and Pohnpei: Time in the Federated States of Micronesia: Kingdom of the Netherlands: 2: UTC−04:00 – Caribbean municipalities and constituent countries UTC+01:00 – Main territory of the Netherlands: Mongolia: 2: UTC+07:00 – Provinces of Khovd, Uvs and Bayan-Ölgii
This is an accepted version of this page This is the latest accepted revision, reviewed on 4 February 2025. Primary time standard "UTC" redirects here. For the time zone between UTC−1 and UTC+1, see UTC+00:00. For other uses, see UTC (disambiguation). It has been suggested that UTC offset be merged into this article. (Discuss) Proposed since December 2024. Current time zones Coordinated ...
ISO 8601 is an international standard covering the worldwide exchange and communication of date and time-related data.It is maintained by the International Organization for Standardization (ISO) and was first published in 1988, with updates in 1991, 2000, 2004, and 2019, and an amendment in 2022. [1]
In 1992, during the government of Aníbal Cavaco Silva, by Decree-Law 124/92, mainland Portugal officially changed its time zone from Western European Time to Central European Time. [ 3 ] [ 11 ] Unlike the 1966 change to CET, DST was observed as Central European Summer Time ( UTC+02:00 ), from the last Sunday in March to the last Sunday in ...