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The shift is the amount of time added at the DST start time and subtracted at the DST end time. For example, in Canada and the United States, when DST starts, the local time changes from 02:00 to 03:00, and when DST ends, the local time changes from 02:00 to 01:00. As the time change depends on the time zone, it does not occur simultaneously in ...
As of 2018, daylight saving time (DST) is permanently observed in Morocco. Previously, time was advanced to UTC+01:00 at 02:00 on the last Sunday of March, and reverted to UTC+00:00 (standard time), defined as Greenwich Mean Time locally, at 03:00 on the last Sunday of October. This practice was continued until October 2018, after which clocks ...
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]
UTC+11:00 – Autonomous Region of Bougainville (Bougainville Standard Time) Portugal: 2: UTC−01:00 – Azores UTC+00:00 – Madeira and the Main territory of Portugal: Time in Portugal: South Africa: 2: UTC+02:00 (South African Standard Time) – Main territory of South Africa UTC+03:00 – Prince Edward Islands: Spain: 2: UTC+00:00 ...
If present, a dagger (†) indicates the usage of a nautical time zone letter outside of the standard geographic definition of that time zone. Some zones that are north/south of each other in the mid-Pacific differ by 24 hours in time – they have the same time of day but dates that are one day apart. The two extreme time zones on Earth (both ...
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 ...
(Australian) Central Daylight Saving Time (ACDT or CDST) – UTC+10:30, in South Australia and Broken Hill, New South Wales (Australian) Eastern Daylight Saving Time (AEDT or EDST) – UTC+11:00, in New South Wales, the ACT, Victoria, and Tasmania; During the usual periods of DST, the three standard time zones in Australia become five zones.
Before the wide adoption of standard time zones, local mean time was widely used in railway time for train timetables and telegraphic time for telegraphy. [7] Local mean time is a solar time that corrects the variations of local apparent time by forming a uniform time scale at a specific longitude ; [ 8 ] for instance, Liberia observed UTC−0: ...