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-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
-<HTML>
-<HEAD>
- <META HTTP-EQUIV="CONTENT-TYPE" CONTENT="text/html; charset=windows-1252">
- <TITLE></TITLE>
- <META NAME="GENERATOR" CONTENT="OpenOffice.org 3.4.1 (Win32)">
- <META NAME="CREATED" CONTENT="20091208;20054200">
- <META NAME="CHANGED" CONTENT="20130206;18224323">
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-<BODY LANG="en-US" DIR="LTR">
-<H2 CLASS="western"><FONT FACE="Tahoma, sans-serif"><FONT SIZE=4 STYLE="font-size: 15pt"><SPAN STYLE="font-style: normal">Daylight Saving Time </SPAN><SPAN STYLE="font-style: normal"><SPAN STYLE="font-weight: normal">(Windows)</SPAN></SPAN></FONT></FONT></H2>
-<P STYLE="margin-bottom: 0cm"><FONT FACE="Tahoma, sans-serif">A
-common problem synchronization software has to handle are +-1 hour
-file time shifts after a Daylight Saving Time (DST) switch has
-occurred. This can be observed for example when a FAT-formatted
-volume is compared against an NTFS volume as is the case when synchronizing a local disk against a
-USB memory stick. Files that previously appeared to be in sync are
-now shown with an one hour modification time offset, although they
-have not been modified by the user or the operating system.</FONT></P>
-<P STYLE="margin-bottom: 0cm"><FONT FACE="Tahoma, sans-serif">The
-reason for this behavior lies in the way NTFS and FAT drives
-store file times: NTFS stores time in UTC format, while FAT uses
-local time.</FONT></P>
-<P STYLE="margin-bottom: 0cm"><FONT FACE="Tahoma, sans-serif">When
-times of these two different formats are compared, one format
-has to be converted into the other first. In either way Windows uses
-the current DST status as well as the current time zone for
-its calculations. Consequently the result of this comparison is
-dependent from current system settings and in particular file times
-that used to be the same can show up as different after a DST switch or when the time zone is changed.</FONT></P>
-<P STYLE="margin-bottom: 0cm"><BR>
-</P>
-<P STYLE="margin-bottom: 0cm"><FONT FACE="Tahoma, sans-serif">For a
-detailed discussion about this issue refer to:
-<A HREF="http://www.codeproject.com/KB/datetime/dstbugs.aspx">http://www.codeproject.com/KB/datetime/dstbugs.aspx</A></FONT></P>
-<P STYLE="margin-bottom: 0cm"><BR>
-</P>
-<P STYLE="margin-bottom: 0cm"><FONT FACE="Tahoma, sans-serif"><B>Solution:</B></FONT></P>
-<P STYLE="margin-bottom: 0cm"><FONT FACE="Tahoma, sans-serif">
-FreeFileSync automatically handles this problem by adding the missing time information. Each file on a
-FAT volume automatically gets additional meta data encoded in its
-creation date that enables a correct file time calculation. This not
-only solves all DST issues but also time shifts that occur due to
-travel between different time zones.</FONT></P>
-<P STYLE="margin-bottom: 0cm"><BR>
-</P>
-<P STYLE="margin-left: 1.32cm; margin-bottom: 0cm"><SPAN ID="Rahmen1" DIR="LTR" STYLE="float: left; width: 80%; border: 1px solid #000080; padding: 0.05cm; background: #ccccff">
- <P ALIGN=LEFT STYLE="margin-left: 0.79cm; margin-bottom: 0cm"><FONT FACE="Tahoma, sans-serif"><B>Note</B></FONT></P>
- <LI><P ALIGN=LEFT STYLE="margin-left: 0.79cm; margin-bottom: 0cm"><FONT FACE="Tahoma, sans-serif">In
- order for FreeFileSync to start handling DST and timezone
- differences, an initial full synchronization is required.
- Subsequent syncs will then never show a time difference again for unchanged files.</FONT></P>
- <LI><P ALIGN=LEFT STYLE="margin-left: 0.79cm; margin-bottom: 0cm; font-style: normal">
- <FONT FACE="Tahoma, sans-serif">If a FAT volume is scanned the
- first time by FreeFileSync this will take longer than usual since
- additional meta data is written for each file.</FONT></P>
-</SPAN><BR CLEAR=LEFT><BR>
-</P>
-<P STYLE="margin-bottom: 0cm"><BR>
-</P>
-</BODY>
-</HTML> \ No newline at end of file
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