PowerShell script to change the local setting for all sites within a given Site collection

 PowerShell script to change the locale (regional settings) for each site in a given site collection, as by default the locale is set to en-US (United States).  It leverages the Get-SPWeb command to enumerate sub-sites.  Here is the script

# ======================================================

#

# SharePoint 2010 PowerShell script to change the locale

# setting for all sites within a given Site collection

#

# ======================================================

# -------------

# Set variables

# -------------

$Site = "http://intranet"

$NewLocale = "en-GB"

$Webs = Get-SPWeb -Site $Site

# ------------

# Begin script

# ------------

ForEach ($Web In $Webs)

{

   If ($Web.locale -ne $NewLocale)

   {

      Write-Host $Web.title "- " -NoNewLine; Write-Host "changing from" $Web.locale "to" $NewLocale -ForegroundColor "Green"

      $Web.Locale = $NewLocale

      $Web.Update()

      $Web.Dispose()

   }

   Else

   {

      Write-Host $Web.title "- " -NoNewLine; Write-Host "already set to" NewLocale -ForegroundColor "Blue"

   }

}

And here is a screenshot of the output, colour coded to make it easier to read: