Jim Klimov wrote:
On 2013-10-27 17:13, Jean-Pierre André wrote:
On a computer which boots on OpenIndiana and Windows, I have to
obey the Windows requirement for the hardware clock to be set on
local time.
Are you ready for the correct answer? ;)
For at least the past dozen years, maybe more, Windows does not
actually require that. There is a semi-documented registry flag
for it to keep the HWclock in UTC and convert to local time as
needed. Quoting from a blog post I copied long ago (alas, got
no origin reference):
---
The registry tweak that will tell Windows to interpret the hardware
clock as UTC time:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\TimeZoneInformation]
"RealTimeIsUniversal"=dword:00000001
Hmm, interesting. Thanks Jim
Jean-Pierre
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