Use PowerShell to ShortCut Getting Time Zone Information

Colleague Dev Ashish posted about the challenges of Accessing ZoneInfo from Windows. He points out in .NET 3.5 the TimeZoneInfo class was added.

[System.TimeZoneInfo]::GetSystemTimeZones()

This command returns 89 entries and several properties.

More Examples

Get-TimeZones East

Find All TimeZones with ‘East’ in there ID.

Function Get-TimeZones ($id) {
    $where = {$_.Id -match "$id"}
    [System.TimeZoneInfo]::GetSystemTimeZones() |
        Where $where
}            

Get-TimeZones East            

General Use

$TZI=[System.TimeZoneInfo]            

$TZI::Local
$TZI::Local.DaylightName
$TZI::Local.DisplayName
""
$TZI::FindSystemTimeZoneById("Tokyo Standard Time")

Other Resources

• The PowerShell Guy shows how to retrieve Time Zone Info with WMI
• Thomas Lee HERE
• Richard Siddaway HERE