The posix subsytem on win32 falls back to using values from the registry if the TZ environment variable isn't set.

The key in question is

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\TimeZoneInformation

Examine what is said, not who speaks.
"Efficiency is intelligent laziness." -David Dunham
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In reply to Re: How to get TZ difference? by BrowserUk
in thread How to get TZ difference? by dda

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