On Thu, 20 Feb 2025 at 18:46, Austin Hill via tz <tz@iana.org> wrote: > > Hello - > > I recently filed a GitHub issue against the perl DateTime::TimeZone library, > which uses your database: > https://github.com/houseabsolute/DateTime-TimeZone/issues/58#issue-2864445920 > > I noticed that EST5EDT now resolves to America/New_York. This is problematic > because the two do not have the same offset - EST5EDT is -5:00 and > America/New_York is -04:56:02.
That was the offset prior to 1920, but it's -5:00 now. Is it meaningful to use EST5EDT for dates before the UNIX epoch? If not, then any date that might use EST5EDT will have the correct offset. > > My ticket was closed because the behavior appears to be caused by changes in > your database in commit a0b09c0 > (https://github.com/eggert/tz/commit/a0b09c0230089252acf2eb0f1ba922e99f7f4a03). > > Is this something that you would consider changing? > > Thanks! > - Austin Hill
