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<div class="elementToProof" style="color: rgb(0, 0, 0);"><span style="font-family: "Segoe UI Web (West European)", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; font-size: 12pt; background-color: rgb(255, 255, 255);">> Rule
Iran 2021 2022 - Sep 21 24:00 0 -</span><span style="font-family: Arial, Helvetica, sans-serif; font-size: 11pt;"><br>
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the last transition was On Sep 21 2022 at 24:00 transition to 0 hours offset.</div>
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That means it uses the `3:30 Iran +0330/+0430` statement - i.e. it remains on 3:30.</div>
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This aligns with the comment `...DST will be cancelled for the next Iranian year 1402... (i.e 2023-March-21) and forthcoming years.`</div>
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The rules have no transition in 2023 or later.</div>
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Can you clarify what you'd expect to see be different in the rules?</div>
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<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
Tim</div>
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<b>From:</b> tz <tz-bounces@iana.org> on behalf of Vajihe Bitarafan via tz <tz@iana.org><br>
<b>Sent:</b> 13 April 2024 06:59<br>
<b>To:</b> tz@iana.org <tz@iana.org><br>
<b>Subject:</b> Re: [tz] request to update DST info for Timezone: Tehran/Iran</div>
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<div style="direction: ltr;">Hi Dear Brian,</div>
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<div style="direction: ltr;">Thanks for your response,</div>
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<div style="direction: ltr;">I saw that this changes is reflected in documents and it is working correctly in Microsoft windows. but when I download the latest and (some pre-release) of tzdata from this below links</div>
<div style="direction: ltr;"><a href="https://www.iana.org/time-zones/repository/tzdata-latest.tar.gz" id="OWA8b5790b5-0b4c-4e53-cf61-61ef9a0b5d51" class="OWAAutoLink" shash="gpQz41ncq6T0H8dMNiKVEwLEdalOc+N3R+4J+Yxa47hY5w1uwQRa4OCmuZnmCL4g0OIX6aLW/zGZimNJLQ6xGLkJvQkTt+DaenD7kmy9OtLbhJgkc1Th89lfCthJAKXnhDNetoXLXeL0THEx+MlJ03p3U7vFFRVgL1a+P78Cutg=" originalsrc="https://www.iana.org/time-zones/repository/tzdata-latest.tar.gz" data-auth="Verified" data-loopstyle="linkonly">https://www.iana.org/time-zones/repository/tzdata-latest.tar.gz</a>, I
saw something different in the "asia" file , section Iran that is as below:</div>
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<div class="elementToProof" style="direction: ltr;"># Rule NAME FROM TO - IN ON AT SAVE LETTER/S<br>
# Work around a bug in zic 2022a and earlier.<br>
Rule Iran 1910 only - Jan 1 00:00 0 -<br>
#<br>
Rule Iran 1977 only - Mar 21 23:00 1:00 -<br>
Rule Iran 1977 only - Oct 20 24:00 0 -<br>
Rule Iran 1978 only - Mar 24 24:00 1:00 -<br>
Rule Iran 1978 only - Aug 5 01:00 0 -<br>
Rule Iran 1979 only - May 26 24:00 1:00 -<br>
Rule Iran 1979 only - Sep 18 24:00 0 -<br>
Rule Iran 1980 only - Mar 20 24:00 1:00 -<br>
Rule Iran 1980 only - Sep 22 24:00 0 -<br>
Rule Iran 1991 only - May 2 24:00 1:00 -<br>
Rule Iran 1992 1995 - Mar 21 24:00 1:00 -<br>
Rule Iran 1991 1995 - Sep 21 24:00 0 -<br>
Rule Iran 1996 only - Mar 20 24:00 1:00 -<br>
Rule Iran 1996 only - Sep 20 24:00 0 -<br>
Rule Iran 1997 1999 - Mar 21 24:00 1:00 -<br>
Rule Iran 1997 1999 - Sep 21 24:00 0 -<br>
Rule Iran 2000 only - Mar 20 24:00 1:00 -<br>
Rule Iran 2000 only - Sep 20 24:00 0 -<br>
Rule Iran 2001 2003 - Mar 21 24:00 1:00 -<br>
Rule Iran 2001 2003 - Sep 21 24:00 0 -<br>
Rule Iran 2004 only - Mar 20 24:00 1:00 -<br>
Rule Iran 2004 only - Sep 20 24:00 0 -<br>
Rule Iran 2005 only - Mar 21 24:00 1:00 -<br>
Rule Iran 2005 only - Sep 21 24:00 0 -<br>
Rule Iran 2008 only - Mar 20 24:00 1:00 -<br>
Rule Iran 2008 only - Sep 20 24:00 0 -<br>
Rule Iran 2009 2011 - Mar 21 24:00 1:00 -<br>
Rule Iran 2009 2011 - Sep 21 24:00 0 -<br>
Rule Iran 2012 only - Mar 20 24:00 1:00 -<br>
Rule Iran 2012 only - Sep 20 24:00 0 -<br>
Rule Iran 2013 2015 - Mar 21 24:00 1:00 -<br>
Rule Iran 2013 2015 - Sep 21 24:00 0 -<br>
Rule Iran 2016 only - Mar 20 24:00 1:00 -<br>
Rule Iran 2016 only - Sep 20 24:00 0 -<br>
Rule Iran 2017 2019 - Mar 21 24:00 1:00 -<br>
Rule Iran 2017 2019 - Sep 21 24:00 0 -<br>
Rule Iran 2020 only - Mar 20 24:00 1:00 -<br>
Rule Iran 2020 only - Sep 20 24:00 0 -<br>
Rule Iran 2021 2022 - Mar 21 24:00 1:00 -<br>
Rule Iran 2021 2022 - Sep 21 24:00 0 -<br>
<br>
# Zone NAME STDOFF RULES FORMAT [UNTIL]<br>
Zone Asia/Tehran 3:25:44 - LMT 1916<br>
3:25:44 - TMT 1935 Jun 13 # Tehran Mean Time<br>
3:30 Iran +0330/+0430 1977 Oct 20 24:00<br>
4:00 Iran +04/+05 1979<br>
3:30 Iran +0330/+0430</div>
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<div style="direction: ltr;">From the above lines I got the last Rule for DST changes is : "Rule Iran 2021 2022 - Sep 21 24:00 0 " and it is +0330/+0430. So the new DST policy is not reflected in it.</div>
<div style="direction: ltr;">Please let me know if I am making any mistakes .</div>
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<div style="direction: ltr;">Best Regards,</div>
<div style="direction: ltr;">Vajiheh Bitarafan</div>
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<div style="direction: ltr;">On Tue, Apr 9, 2024 at 9:29 PM <<a href="mailto:brian.inglis@systematicsw.ab.ca" id="OWA5c7e149e-c229-4580-464b-214364f065ed" class="OWAAutoLink" data-loopstyle="linkonly">brian.inglis@systematicsw.ab.ca</a>> wrote:</div>
<blockquote style="margin: 0px 0px 0px 0.8ex; padding-left: 1ex; border-left: 1px solid rgb(204, 204, 204);">
On 2024-04-09 07:41, Vajihe Bitarafan via tz wrote:<br>
> I am using some system and I encountered that in some situations Daylight Saving<br>
> Time is not working correctly.<br>
<br>
Please contact your product support to update their time zone and summer<br>
daylight saving time data as this has been known and available for 2 years.<br>
<br>
> From 20 March 2023 , DST has been removed from government Policies and So from<br>
> then there would not be any changes in Time. So Time zone Tehran/IRAN is +3:30<br>
> for all days of the year.<br>
> I hope it will be reflected in timezone databases and I can see the Joda time is<br>
> updated respectively.<br>
<br>
Updated in 2022b August:<br>
<br>
<a href="https://mm.icann.org/pipermail/tz-announce/2022-August/000071.html" id="OWAd606589b-7edb-3ce2-e788-e5a8910fa4dd" class="OWAAutoLink" shash="xgM/yeE4PXp185FR6T1xU+k+o+V1cI4J/UoWdNg3uCut7AcS4JOd/bI9bhR3CPOCNRLclRxjThFTLS/Ve67Nn7epqZEkY4vZTk/Mt2SwGgbg0XOh9KDHefyvdwQK5nXlwTF143kndOLDYSUMZgmAooBNz6RCug6IMWpVrNK1+28=" originalsrc="https://mm.icann.org/pipermail/tz-announce/2022-August/000071.html" data-auth="Verified" data-loopstyle="linkonly">https://mm.icann.org/pipermail/tz-announce/2022-August/000071.html</a><br>
<br>
also in Joda-Time the same month:<br>
<br>
<a href="https://www.joda.org/joda-time/changes-report.html#a2.11.0" id="OWA08a3a8f5-63b4-1a0a-363c-6ca21b37eb85" class="OWAAutoLink" shash="j8yBgPe8zQtgDvX+hGMmx5DAxMNaK1icIXoJP1Xf8HiAq4/0gVHrm1zlq+sHyBlQLs170yvnm+Qqh003huU+z4hZA9IX6ngwBNDqsb6lUbepWQ00lphIOcvdDOyHNsJZgpVf8EjqM5i1j/JXBKhZHmZJVeZGI6aRPPa95w9zgkU=" originalsrc="https://www.joda.org/joda-time/changes-report.html#a2.11.0" data-auth="Verified" data-loopstyle="linkonly">https://www.joda.org/joda-time/changes-report.html#a2.11.0</a><br>
<br>
and in other products within the year e.g. 2023 April:<br>
<br>
<a href="https://techcommunity.microsoft.com/t5/daylight-saving-time-time-zone/iran-2023-time-zone-update-now-available/ba-p/3805707" id="OWA05371048-94db-3699-6dcf-d5e2ea69edf8" class="OWAAutoLink" shash="ORvT/HANVEbjMi/88sVwtBl/Kk2J7CCQkGHFf2i0s5eOdtWf44IpTOpwQi43xU9xa+TKrF6wWEKCfu+gthBtL7o3GzNcHund82XTd4A/+Xl48hEnX1+IJRgTgSoIFsWmjBYPNqv+anfOWBUgM4ER9mXoUcJ7dXjjNrgZr+72pmE=" originalsrc="https://techcommunity.microsoft.com/t5/daylight-saving-time-time-zone/iran-2023-time-zone-update-now-available/ba-p/3805707" data-auth="Verified" data-loopstyle="linkonly">https://techcommunity.microsoft.com/t5/daylight-saving-time-time-zone/iran-2023-time-zone-update-now-available/ba-p/3805707</a><br>
<br>
--<br>
Take care. Thanks, Brian Inglis Calgary, Alberta, Canada<br>
<br>
La perfection est atteinte Perfection is achieved<br>
non pas lorsqu'il n'y a plus rien à ajouter not when there is no more to add<br>
mais lorsqu'il n'y a plus rien à retirer but when there is no more to cut<br>
-- Antoine de Saint-Exupéry<br>
<br>
</blockquote>
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