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Re^4: Question regarding Time::Piece and timezones

by Fletch (Bishop)
on Jan 21, 2021 at 06:39 UTC ( [id://11127192]=note: print w/replies, xml ) Need Help??


in reply to Re^3: Question regarding Time::Piece and timezones
in thread Question regarding Time::Piece and timezones

It's too late to be poking at things but I think the problem is that the argument validation is trying to coerce "CST" into a DateTime::TimeZone before it's done anything to do looking at your mapping. I think what that argument is for is providing a mapping for zones if they're named in the date which is being parsed. Tweaking your code slightly:

#!/usr/bin/env perl use strict; use warnings; use 5.010; use DateTime; use DateTime::Format::Strptime; $|=1; my $str = 'Wed, 13 Jan 2021 17:22:23 CST'; my $pattern = '%a, %d %b %Y %T %Z'; my $strp = DateTime::Format::Strptime->new( pattern => $pattern, zone_map => { CST => '-0700', EST => '-0600' } ); say "I got this far (not!)"; my $dt = $strp->parse_datetime( $str ); say "String: $str"; say "DateTime: $dt"; say "zone: ", $dt->time_zone->name; say ''; __END__ $ perl tz_thing.plx I got this far (not!) String: Wed, 13 Jan 2021 17:22:23 CST DateTime: 2021-01-13T17:22:23 zone: -0700

The cake is a lie.
The cake is a lie.
The cake is a lie.

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Re^5: Question regarding Time::Piece and timezones
by haukex (Archbishop) on Jan 22, 2021 at 14:07 UTC
    I think what that argument is for is providing a mapping for zones if they're named in the date which is being parsed.

    Yes, I agree, time_zone makes sense when the string being parsed doesn't contain a time zone specification, and zone_map makes sense when it does contain a time zone specification.

Re^5: Question regarding Time::Piece and timezones
by Marshall (Canon) on Jan 23, 2021 at 02:03 UTC
    Your code works on my machine. Thanks!

    Evidently CST is ambiguous because there is a China Time Zone.
    zone_map{} appears to be necessary.

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