Skip Montanaro skip.montanaro at gmail.com
Tue Feb 21 09:34:04 EST 2017

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I figured out that I can drop down to a lower level and use a manually
constructed tz file to create the desired timezone object. The pytz
package has a build_tzinfo() function which takes a zone name and an
open file object).

Skip


On Tue, Feb 21, 2017 at 8:06 AM, Skip Montanaro
<skip.montanaro at gmail.com> wrote:
> Is it possible to create a timezone which is a derivative of an
> existing timezone? I'd like to create one which is several hours
> different ahead of America/Chicago, but follows Chicago's DST changes.
> My initial attempt was to create a timezone object using pytz:
>
> tz = pytz.timezone("America/Chicago")
>
> then add eight hours to its _utcoffset attribute, but that doesn't
> work. Is "creative" timezone construction possible, or am I limited to
> what pytz finds in the Olson database?
>
> Thx,
>
> Skip

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