Just as an aside (and this probably applies to powershell as well), what if you have mapped folders from multiple servers into your file system and those servers are in different timezones? Something like

  /Mapped-Temp-folders/Server-Asia/temp
                      /Server-UK/temp
                      /Server-Japan/temp

I guess the script wouldn't work then if you wanted to clean out data older than 2 days, as per their timezone.