[tz] [External] Re: Irish Standard Time vs Irish Summer Time

[Wallace, Malcolm]

> Since EU law takes precedence over national laws, I'd suggest the EU definition should be used, ie. tzdb should not change.

Your statement conflicts with the actual EU law you quoted, which says:

> The decision on the standard time is a national competence.

Surely?

Regards,
    Malcolm


-----Original Message-----
From: tz [mailto:tz-bounces at iana.org] On Behalf Of Stephen Colebourne
Sent: Sunday, 10 December, 2017 08:45
To: Time zone mailing list <tz at iana.org>
Subject: [External] Re: [tz] Irish Standard Time vs Irish Summer Time

This whole thread appears to have missed the fact that Ireland is in the EU, and thus the normal EU rules on time apply.

https://ec.europa.eu/transport/themes/summertime_ga

"Standard Time
In parallel to the summertime arrangement in the European Union, the Member States apply three different time zones or standard times. The decision on the standard time is a national competence. The standard time is determined in relation to GMT (Greenwich Mean Time)."
...
"Three Member States (Ireland, Portugal and United Kingdom) apply GMT"

As such, this thread is essentially choosing between two ways of expressing the same thing - the EU way and the way it is expressed in Irish law.
http://www.irishstatutebook.ie/eli/1968/act/23/enacted/en/print
http://www.irishstatutebook.ie/eli/1971/act/17/enacted/en/print
The EU define "standard" one way. Irish law defines it the other way.

Since EU law takes precedence over national laws, I'd suggest the EU definition should be used, ie. tzdb should not change.

Stephen


AFAIK, these are all defined in terms of "standard"

On 8 December 2017 at 06:38, Paul Eggert <eggert at cs.ucla.edu> wrote:
> On 12/05/2017 02:16 AM, Derick Rethans wrote:
>>
>> No, I meant "Irish Standard Time". Ireland is "odd" because their 
>> standard time is what the rest of the British Isles calls "Summer Time"
>> (BST). So Ireland uses "Irish Standard Time" and "GMT".
>
> Thanks for pointing this out; I was unaware that Ireland observes 
> negative daylight-saving time in winter, instead of positive 
> daylight-saving time in summer. This arguably is clearer than the 
> common practice in North America and Europe, where "standard time" is 
> observed only in a relatively small fraction of the year. I installed 
> the attached proposed patch to fix the commentary along the lines that 
> you suggested, and to change tm_isdst as well. UT offsets and abbreviations are unaffected by this change.

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