Daylight saving time changes for Chile and Mexico in Windows

This hotfix has been superseded by the following hotfix:

Daylight saving time changes for Mexico, Mongolia, and Iran in Windows

Summary

This article describes a hotfix that updates daylight saving time (DST) settings for Chile and Mexico. Before you install this hotfix, check the Prerequisites section in this article.

Introduction

Chile

Chile announced a DST change on January 28, 2015. For 2015 and going forward, Chile will remain in DST. (No DST change will be observed.) Therefore, the UTC offset for Chile will be updated to UTC-3:00, and the display name of the "Pacific SA Standard Time" time zone will be updated to "(UTC-3:00) Santiago."

Mexico

The Mexican state of Quintana Roo is moving from UTC-6:00 to UTC-5:00. The "Eastern Standard Time (Mexico)" will be created, and this new time zone will have a display name of "(UTC-5:00) Chetumal". This time zone will observe the following DST rules:

  • Start date: The first Sunday of April at 02:00 (clocks move forward by one hour)

  • End date: The last Sunday of October at 02:00 (clocks move backward by one hour)

Time zone key name

Display name

DST start

DST end

Eastern Standard Time (Mexico)

(UTC-5:00) Chetumal

First Sunday of April at 02:00:00.000

Last Sunday of October at 02:00:00.000

Hotfix information

This hotfix applies to the following operating systems:

  • Windows Server 2012 R2

  • Windows 8.1

  • Windows RT 8.1

  • Windows Server 2012

  • Windows 8

  • Windows RT

  • Windows Server 2008 R2 Service Pack 1 (SP1)

  • Windows 7 SP1

  • Windows Server 2008 Service Pack 2 (SP2)

  • Windows Vista SP2

  • Windows Server 2003 SP2

  • Windows XP Embedded

How to obtain this hotfix

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix Download Available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website:

http://support.microsoft.com/contactus/?ws=supportNote The "Hotfix Download Available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To apply this hotfix, you must have the following update rollup or service pack installed for the indicated systems. There are no prerequisites to apply the hotfix to systems that are not listed here.

Windows 8.1 or Windows Server 2012 R2

April 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355)

Windows 7 or Windows Server 2008 R2

Service Pack 1 for Windows 7 or Windows Server 2008 R2

Windows Vista or Windows Server 2008

Service Pack 2 for Windows Vista or Windows Server 2008

Windows Server 2003

Service Pack 2 for Windows Server 2003

Registry information

To use the hotfix in this package, you do not have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

The English version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

Windows 8.1 and Windows Server 2012 R2 file information and notes

Important Windows 8.1 hotfixes and Windows Server 2012 R2 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8.1/Windows Server 2012 R2" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.

  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:

    Version

    Product

    Milestone

    Service branch

    6.3.960 0.16 xxx

    Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2

    RTM

    GDR

  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are not listed.

For all supported x86-based versions of Windows 8.1

File name

File version

File size

Date

Time

Platform

Tzres.dll

6.3.9600.16384

2,048

22-Aug-2013

04:17

x86

For all supported x64-based versions of Windows 8.1 and Windows Server 2012 R2

File name

File version

File size

Date

Time

Platform

Tzres.dll

6.3.9600.16384

2,048

22-Aug-2013

11:45

x64

Tzres.dll

6.3.9600.16384

2,048

22-Aug-2013

04:17

x86

For all supported ARM-based versions of Windows 8.1

File name

File version

File size

Date

Time

Platform

Tzres.dll

6.3.9600.16384

2,048

22-Aug-2013

03:16

Not applicable

Windows 8 and Windows Server 2012 file information and notes

Important Windows 8 hotfixes and Windows Server 2012 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8/Windows Server 2012" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.

  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:

    Version

    Product

    Milestone

    Service branch

    6.2.920 0.16xxx

    Windows RT, Windows 8, and Windows Server 2012

    RTM

    GDR

    6.2.920 0.20xxx

    Windows RT, Windows 8, and Windows Server 2012

    RTM

    LDR

  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.

  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are not listed.

For all supported x86-based versions of Windows 8

File name

File version

File size

Date

Time

Platform

Tzres.dll

6.2.9200.16479

2,048

13-Dec-2012

03:59

x86

Tzres.dll

6.2.9200.20583

2,048

13-Dec-2012

04:03

x86

For all supported x64-based versions of Windows 8 and Windows Server 2012

File name

File version

File size

Date

Time

Platform

Tzres.dll

6.2.9200.16479

2,048

13-Dec-2012

04:00

x64

Tzres.dll

6.2.9200.20583

2,048

13-Dec-2012

04:04

x64

Tzres.dll

6.2.9200.16479

2,048

13-Dec-2012

03:59

x86

Tzres.dll

6.2.9200.20583

2,048

13-Dec-2012

04:03

x86

For all supported ARM-based versions of Windows 8

File name

File version

File size

Date

Time

Platform

Tzres.dll

6.2.9200.16454

2,048

09-Nov-2012

03:11

Not applicable

Windows 7 and Windows Server 2008 R2 file information and notes

Important Windows 7 hotfixes and Windows Server 2008 R2 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 7/Windows Server 2008 R2" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.

  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:

    Version

    Product

    Milestone

    Service branch

    6.1.760 1.18xxx

    Windows 7 and Windows Server 2008 R2

    SP1

    GDR

    6.1.760 1.22xxx

    Windows 7 and Windows Server 2008 R2

    SP1

    LDR

  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.

  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are not listed.

For all supported x86-based versions of Windows 7

File name

File version

File size

Date

Time

Platform

Tzres.dll

6.1.7601.18763

2,048

14-Feb-2015

04:24

x86

Tzupd.exe

6.1.7601.18763

40,448

14-Feb-2015

04:25

x86

Tzres.dll

6.1.7601.22970

2,048

14-Feb-2015

04:43

x86

Tzupd.exe

6.1.7601.22970

40,448

14-Feb-2015

04:45

x86

For all supported x64-based versions of Windows 7 and Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Tzres.dll

6.1.7601.18763

2,048

14-Feb-2015

04:41

x64

Tzupd.exe

6.1.7601.18763

49,664

14-Feb-2015

04:42

x64

Tzres.dll

6.1.7601.22970

2,048

14-Feb-2015

05:05

x64

Tzupd.exe

6.1.7601.22970

49,664

14-Feb-2015

05:08

x64

Tzres.dll

6.1.7601.18763

2,048

14-Feb-2015

04:24

x86

Tzres.dll

6.1.7601.22970

2,048

14-Feb-2015

04:43

x86

For all supported IA-64-based versions of Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Tzres.dll

6.1.7601.18763

2,048

14-Feb-2015

03:41

IA-64

Tzupd.exe

6.1.7601.18763

78,848

14-Feb-2015

03:42

IA-64

Tzres.dll

6.1.7601.22970

2,048

14-Feb-2015

03:35

IA-64

Tzupd.exe

6.1.7601.22970

78,848

14-Feb-2015

03:36

IA-64

Tzres.dll

6.1.7601.18763

2,048

14-Feb-2015

04:24

x86

Tzres.dll

6.1.7601.22970

2,048

14-Feb-2015

04:43

x86

Windows Vista and Windows Server 2008 file information and notes

Important Windows Vista hotfixes and Windows Server 2008 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows Vista/Windows Server 2008" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.

  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:

    Version

    Product

    Milestone

    Service branch

    6.0.600 2.19xxx

    Windows Vista and Windows Server 2008

    SP2

    GDR

    6.0.600 2.23xxx

    Windows Vista and Windows Server 2008

    SP2

    LDR

  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.

  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are not listed.

For all supported x86-based versions of Windows Vista and Windows Server 2008

File name

File version

File size

Date

Time

Platform

Tzres.dll

6.0.6002.19326

2,048

23-Feb-2015

02:34

x86

Tzupd.exe

6.0.6002.19326

19,456

23-Feb-2015

02:34

x86

Tzres.dll

6.0.6002.23635

2,048

23-Feb-2015

01:18

x86

Tzupd.exe

6.0.6002.23635

19,456

23-Feb-2015

01:18

x86

For all supported x64-based versions of Windows Vista and Windows Server 2008

File name

File version

File size

Date

Time

Platform

Tzres.dll

6.0.6002.19325

2,048

21-Feb-2015

00:32

x64

Tzupd.exe

6.0.6002.19325

20,992

21-Feb-2015

00:32

x64

Tzres.dll

6.0.6002.23635

2,048

23-Feb-2015

01:36

x64

Tzupd.exe

6.0.6002.23635

20,992

23-Feb-2015

01:36

x64

Tzres.dll

6.0.6002.19325

2,048

21-Feb-2015

00:22

x86

Tzupd.exe

6.0.6002.19325

19,456

21-Feb-2015

00:22

x86

Tzres.dll

6.0.6002.23635

2,048

23-Feb-2015

01:18

x86

Tzupd.exe

6.0.6002.23635

19,456

23-Feb-2015

01:18

x86

For all supported IA-64-based versions of Windows Server 2008

File name

File version

File size

Date

Time

Platform

Tzres.dll

6.0.6002.19326

2,048

23-Feb-2015

01:21

IA-64

Tzupd.exe

6.0.6002.19326

37,888

23-Feb-2015

01:21

IA-64

Tzres.dll

6.0.6002.23635

2,048

23-Feb-2015

01:20

IA-64

Tzupd.exe

6.0.6002.23635

37,888

23-Feb-2015

01:20

IA-64

Tzres.dll

6.0.6002.19326

2,048

23-Feb-2015

02:34

x86

Tzupd.exe

6.0.6002.19326

19,456

23-Feb-2015

02:34

x86

Tzres.dll

6.0.6002.23635

2,048

23-Feb-2015

01:18

x86

Tzupd.exe

6.0.6002.23635

19,456

23-Feb-2015

01:18

x86

Windows Server 2003 file information and note

  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are not listed.

For all supported x86-based versions of Windows Server 2003

File name

File version

File size

Date

Time

Platform

Tzchange.dll

5.2.3790.5555

17,408

14-Feb-2015

02:05

x86

Tzchange.exe

5.2.3790.5555

46,080

14-Feb-2015

00:54

x86

Tzchange.dll

5.2.3790.5555

17,408

14-Feb-2015

02:05

x86

Updspapi.dll

6.3.4.1

379,184

16-May-2014

03:14

x86

For all supported x64-based versions of Windows Server 2003

File name

File version

File size

Date

Time

Platform

Tzchange.dll

5.2.3790.5555

22,016

14-Feb-2015

02:14

x64

Tzchange.exe

5.2.3790.5555

60,928

14-Feb-2015

02:12

x64

Wtzchange.exe

5.2.3790.5555

46,080

14-Feb-2015

02:12

x86

Tzchange.dll

5.2.3790.5555

22,016

14-Feb-2015

02:14

x64

Updspapi.dll

6.3.4.1

462,128

14-Feb-2015

02:14

x64

For all supported IA-64-based versions of Windows Server 2003

File name

File version

File size

Date

Time

Platform

Tzchange.dll

5.2.3790.5555

37,888

14-Feb-2015

02:14

IA-64

Tzchange.exe

5.2.3790.5555

91,648

14-Feb-2015

02:10

IA-64

Wtzchange.exe

5.2.3790.5555

46,080

14-Feb-2015

02:10

x86

Tzchange.dll

5.2.3790.5555

37,888

14-Feb-2015

02:14

IA-64

Updspapi.dll

6.3.4.1

655,152

14-Feb-2015

02:14

IA-64

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