Thank you for the information
 
I guess it boils down to
b) Microsoft timezone is incorrect
or
d) The Microsoft timezone [(GMT -4:00) Manaus - Central Brazilian Standard Time] does not
   correspond to the Olson's America/Manaus timezone
-Alain
 
 

From: Rodrigo Severo [mailto:rodrigo@fabricadeideias.com]
Sent: Wednesday, December 09, 2009 12:21 PM
To: tz@lecserver.nci.nih.gov
Subject: Re: Question regarding America/Manaus timezone

On Wed, Dec 9, 2009 at 12:44 PM, Alain Petit <alain.petit@oracle.com> wrote:
 
So either
 
a) I do not interpret the timezone rules properly for America/Manaus, and there is a DST being observed there.
   If so, please let me know how I should read the above rules/timezone information.
 
b) Microsoft timezone is incorrect
 
c) Olson data is incorrect
 
d) The Microsoft timezone [(GMT -4:00) Manaus - Central Brazilian Standard Time] does not
   correspond to the Olson's America/Manaus timezone

As far as I know and ON (Observatório Nacional - Brazilian Official Timekeeper) states (see: Brazilian Official Time Map out side of DST period and Brazillian Official Time Map during DST period) Olson data is correct and there is no DST in Manaus since 1994.


Regards,

Rodrigo Severo


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