What happens if you miss jury dutySummary: lastLogonTimestamp is replicated on all DCs every 14 days - random of 5%, with an interactive logon, network and simple bind logons. This value should be used to find stale accounts. lastLogonDate It's a locally calculated value of the LastLogontimestamp attribute used by PowerShell.Ruger precision rimfire casePS C:\tools\powershell> get-aduser bsweeney -properties lastlogontimestamp | [datetime]::FromFileTime($($_.lastlogontimestamp)) Tuesday, June 05, 2012 4:20:06 AM. Pretty cool, eh?! And at this point we can now convert any timestamp in AD to a human readable format in our scripts.