Set-MailboxRegionalConfiguration

1st Microsoft Example

Set-MailboxRegionalConfiguration -Identity <MailboxIdParameter> 
[-Confirm [<SwitchParameter>]] 
[-DateFormat <String>] 
[-DomainController <Fqdn>] 
[-Language <CultureInfo>] 
[-LocalizeDefaultFolderName <SwitchParameter>] 
[-TimeFormat <String>]
[-TimeZone <ExTimeZoneValue>] 
[-WhatIf [<SwitchParameter>]] 
[<CommonParameters>]