![]() to map between IANA and Windows zones most of these implementations are legacy and cannot pick up any new mappings. We have refrained from adding a new time zone to Windows to avoid compatibility issues. Here are the KB article numbers that contain the Mexico DST fix for different versions of Windows: These changes will appear in the February 2023 Cumulative Update preview for the following Windows versions:Īll other supported Windows versions will receive the update as part of March 2023 monthly quality update. Clocks for all states except Baja California, Coahuila de Zaragoza, Nuevo León, Tamaulipas, and Chihuahua will not move forward by an hour at 2:00 a.m.Clocks in the border municipalities of Ojinaga, Manuel Benavides, and Coyame will follow the the America/Ojinaga time zone and will move forward by an hour at 2:00 a.m.Guerrero, and Guadalupe will follow the America/Ciudad_Juarez time zone and will move forward by an hour at 2:00 a.m. Clocks in the border municipalities of Janos, Ascensión, Juárez, Praxedis G.A new time zone, America/Ciudad_Juarez, will be created, splitting from the existing time zone America/Ojinaga. ![]() Microsoft will release Windows Updates in support of these DST changes for Mexico as follows: border will continue to honor the DST schedule defined by the United States in 2007 which starts on the second Sunday of March (March 12, 2023) at 2:00 AM and ends on the first Sunday of November (November 5, 2023) at 2:00 AM. In a subsequent order by the Mexican Government, it was declared that Chihuahua, Coahuila, Nuevo León, Tamaulipas and the state of Baja California near the Mexico-U.S. For example, this United States time zone map shows the six designated time zones including Eastern, Central, Mountain, Pacific, Alaska, and Hawaii-Aleutian time zones.Editor's note (): This article has been updated to provide additional clarity and guidance on time-zone mapping, and to include links to the KB articles offering the time zone fix.Īs a result of the October 26th, 2022, order from the Mexican Government, Daylight Saving Time (DST) in the United Mexican States will not be observed in 2023 calendar year. Time zones can have names to help easily identify them. Other examples include Afghanistan, Venezuela, and Australia with unusual time zones. But the province mostly observes Atlantic Standard Time (AST). Also, there can be “irregular square” time zones similar to islands.įor example, the province of Newfoundland and Labrador contains its own time zone with the same name that is UTC -3:30. Instead, they are jagged and adapt to the political boundaries of countries. No time zone in the world runs a perfect north-south line. Whereas when you go from the west across the International Date Line, you turn your calendar ahead one day. When you cross the International Date Line moving toward the east, you turn your calendar back one day. The center of the time zone roughly follows 180° longitude without crossing any landmass. The International Date Line is a north-south line in the Pacific Ocean where you turn your calendar back or ahead one day. Whereas it would be 8 am at 60°W longitude International Date Line For example, it would be 4 pm at 60☎ longitude when it’s noon at the Prime Meridian. You can find any time by counting how many degrees longitude it is away from Greenwich. But when you head toward the left, you lose an hour (slow time). In other words, for every time zone that you move towards the right, you add one hour. When you move to the right, you gain time (fast time). Then, the next time to the east spans 7.5☎ to 22.5☎. This means the Prime Meridian time zone spans from 7.5°W to 7.5☎. The Prime Meridian ( Greenwich Meridian) defines the center of the first time zone in the world. Because the Earth rotates 360° every 24 hours, each time zone is 15° longitude apart from the other. We have 24 different time zones in the world.
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