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Re: BUG #18455: DST information is flagged wrongly - Mailing list pgsql-bugs

From Tom Lane
Subject Re: BUG #18455: DST information is flagged wrongly
Date
Msg-id 2241008.1714668145@sss.pgh.pa.us
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In response to Re: BUG #18455: DST information is flagged wrongly  (Tom Lane <tgl@sss.pgh.pa.us>)
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I wrote:
> Ah ... having now refreshed my memory, the answer is that RHEL
> and Apple are distributing "rearguard" tzdata files, whereas
> ours are built with the main ("vanguard") data model.

Further to that ... on recent Fedora I get

$ zdump -v Europe/Dublin | grep 2024
Europe/Dublin  Sun Mar 31 00:59:59 2024 UT = Sun Mar 31 00:59:59 2024 GMT isdst=1 gmtoff=0
Europe/Dublin  Sun Mar 31 01:00:00 2024 UT = Sun Mar 31 02:00:00 2024 IST isdst=0 gmtoff=3600
Europe/Dublin  Sun Oct 27 00:59:59 2024 UT = Sun Oct 27 01:59:59 2024 IST isdst=0 gmtoff=3600
Europe/Dublin  Sun Oct 27 01:00:00 2024 UT = Sun Oct 27 01:00:00 2024 GMT isdst=1 gmtoff=0

So Red Hat is indeed moving in the direction of adopting the vanguard
data; they just haven't pulled that trigger yet in RHEL.

            regards, tom lane

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