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TimeZoneInfo Properties

.NET Framework 4

The TimeZoneInfo type exposes the following members.

	Name	Description
	BaseUtcOffset	Gets the time difference between the current time zone's standard time and Coordinated Universal Time (UTC).
	DaylightName	Gets the localized display name for the current time zone's daylight saving time.
	DisplayName	Gets the localized general display name that represents the time zone.
	Id	Gets the time zone identifier.
	Local	Gets a TimeZoneInfo object that represents the local time zone.
	StandardName	Gets the localized display name for the time zone's standard time.
	SupportsDaylightSavingTime	Gets a value indicating whether the time zone has any daylight saving time rules.
	Utc	Gets a TimeZoneInfo object that represents the Coordinated Universal Time (UTC) zone.

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Reference

TimeZoneInfo Class

System Namespace

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TimeZoneInfo Sample Using PowerShell

<#
.SYNOPSIS
    This script displays/Uses TimeZoneInfo properties 
.DESCRIPTION
    This script displays the use of all the TimeZoneInfo Properties.
.NOTES
    File Name  : Get-TimeZoneInfoInfo.ps1
    Author     : Thomas Lee - tfl@psp.co.uk
    Requires   : PowerShell Version 2.0
.LINK
    This script posted to:
        http://www.pshscripts.blogspot.com
    MSDN Sample posted at:
        http://msdn.microsoft.com/en-us/library/system.timezoneinfo_properties.aspx 
.EXAMPLE
    PSH [C:\foo]: .Get-TimeZoneInfoInfo.ps1'
    Time Zone: (GMT) Greenwich Mean Time : Dublin, Edinburgh, Lisbon, London
      Time zone is 0 hours 0 minutes later than Coordinated Universal Time.
      Current time is 12:22 PM on 8/28/2010 GMT Daylight Time
      Timezone id              : GMT Standard Time
      Supports Daylight Saving : True
      Daylight Saving Zone Name: GMT Daylight Time

    Time Zone: (GMT+04:30) Kabul
      Time zone is 4 hours 30 minutes later than Coordinated Universal Time.
      Current time is 12:22 PM on 8/28/2010 Afghanistan Standard Time
      Timezone id              : Afghanistan Standard Time
      Supports Daylight Saving : False
      Daylight Saving Zone Name: Afghanistan Daylight Time

    Time Zone: UTC
      Time zone is 0 hours 0 minutes later than Coordinated Universal Time.
      Current time is 12:22 PM on 8/28/2010 UTC
      Timezone id              : UTC
      Supports Daylight Saving : False
      Daylight Saving Zone Name: UTC
#>
# Display Information About Time Zones

# Get current date
$Datenow = Get-Date

# Display info re Local Time Zone
$LocalZone = [System.TimeZoneInfo]::Local
$t1 = [system.Math]::Abs($LocalZone.BaseUtcOffset.Hours)
$t2 = [System.Math]::Abs($LocalZone.BaseUtcOffset.Minutes) 
$t3 = if ($LocalZone.BaseUtcOffset -ge  [System.Timespan]::Zero) {"later"} else {"earlier"}
$t4 = if ($LocalZone.IsdaylightSavingTime($datenow)) {$Localzone.DaylightName} else {$Localzone.Standardname}
# Display information
"Time Zone: {0}" -f $Localzone.Displayname
"  Time zone is {0} hours {1} minutes {2} than Coordinated Universal Time." -f   $t1,$t2, $t3
"  Current time is {0:t} on {0:d} {1}" -f $datenow,$t4
"  Timezone id              : {0}" -f $LocalZone.Id
"  Supports Daylight Saving : {0}" -f $LocalZone.SupportsDaylightSavingTime
"  Daylight Saving Zone Name: {0}" -f $Localzone.DaylightName
""

# Get Kabul Time
$Kt = [system.TimeZoneInfo]::GetSystemTimeZones()  | ? {$_.id -match "Afghanistan Standard Time"}
$tz = $kt.Displayname
$t1 = [system.Math]::Abs($kt.BaseUtcOffset.Hours)
$t2 = [System.Math]::Abs($kt.BaseUtcOffset.Minutes) 
$t3 = if ($kt.BaseUtcOffset -ge  [System.timespan]::Zero) {"later"} else {"earlier"}
$t4 = if ($Kt.IsdaylightSavingTime($datenow)) {$Kt.DaylightName} else {$Kt.Standardname}

# Display information
"Time Zone: {0}" -f $Kt.Displayname
"  Time zone is {0} hours {1} minutes {2} than Coordinated Universal Time." -f   $t1,$t2,$t3
"  Current time is {0:t} on {0:d} {1}" -f $datenow,$t4
"  Timezone id              : {0}" -f $Kt.Id
"  Supports Daylight Saving : {0}" -f $Kt.SupportsDaylightSavingTime
"  Daylight Saving Zone Name: {0}" -f $Kt.DaylightName
""

# Display Information regarding UTC
$UtcZone = [System.TimeZoneInfo]::UTC
$t1 = [system.Math]::Abs($UtcZone.BaseUtcOffset.Hours)
$t2 = [System.Math]::Abs($UtcZone.BaseUtcOffset.Minutes) 
$t3 = if ($UtcZone.BaseUtcOffset -ge  [System.Timespan]::Zero) {"later"} else {"earlier"}
$t4 = if ($UtcZone.IsdaylightSavingTime($datenow)) {$Utczone.DaylightName} else {$UtcZone.Standardname}

# Display information
"Time Zone: {0}" -f $UtcZone.Displayname
"  Time zone is {0} hours {1} minutes {2} than Coordinated Universal Time." -f   $t1,$t2,$t3
"  Current time is {0:t} on {0:d} {1}" -f $Datenow,$t4
"  Timezone id              : {0}" -f $UtcZone.Id
"  Supports Daylight Saving : {0}" -f $UtcZone.SupportsDaylightSavingTime
"  Daylight Saving Zone Name: {0}" -f $UtcZone.DaylightName

History

8/28/2010
Thomas Lee