Change SharePoint site regional settings or culture info

Here is a quick script to change the regional settings for your sharepoint site.

function ChangeSiteCultureInfo() {
    [CmdletBinding()]
     Param(
      [Parameter(Mandatory=$True,
  ValueFromPipeline=$True)]
       [string]$spSiteUrl,
       [ValidateSet("en-AU","en")]
       [string]$culture = "en-AU"
       )
       BEGIN {}
    PROCESS
       {
         Write-Host "Processing site $spSiteUrl"
         $spsite  = Get-SPSite -Identity $spSiteUrl
         $rootWeb = $spsite.RootWeb 
         $cultureInfo = [System.Globalization.CultureInfo]::GetCultureInfo($culture)
         Write-Host "Curent local setting is $($rootWeb.Locale) "
         $rootWeb.Locale = $culture 
         $rootWeb.Update() 
         $rootWeb.Dispose() 
         $spsite.Dispose() 
         Write-Host "Finished Updating the locale of $spSiteUrl to $cultureInfo"
       }
       END {}
       
}

Usage:

 url_here | ChangeSiteCultureInfo