Take a look at Re: converting microsoft timestamps for how to do this by using Win32::API to call the kernel API FileTimeToSystemTime(), or Re^3: converting microsoft timestamps ( my msFiletimeToUnix{) function ) for a DIY method that avoids the need for and slowness of Math::BigInt.

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In reply to Re: Calculating lastLoginTimeStamp from Active Directory by BrowserUk
in thread Calculating lastLoginTimeStamp from Active Directory by waxhead

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