[tz] DST existed in Portugal 1950
Michael H Deckers
michael.h.deckers at googlemail.com
Mon Feb 8 23:13:29 UTC 2021
On 2021-02-07 08:48, Alois Treindl wrote:
> TZ claims that in 1950 there was no DST in Portugal, zone Europe/Lisbon.
> While it was continuously applied between 1916 and 1965.
Not in 1922, 1923, 1930, 1933.
> The sources quoted in file europe are poor, it is only Whitman versus
> I have researched an online law collection for Portugal at
> https://dre.pt/ and searched for 'hora de verão'.
> The results are sparse, but what I find on legal texts does not
> indicate any interruption of the 1916 law for the year 1950.
I think I have pdfs for all switches in Lisboa (not for Madeira and
I found them several years ago, so I'd rather like to check all the
I send them to the list. Please give me a day or two.
Madeira is an autonomous region since about 1976 and may do their
own summer time rules, and they did.
> This Wikipedia page shows a list
> and mentions the Decreto-Lei nº 370/48 for 1949-1965.
> That law says 'first Sunday in April to first Sunday in October.
> No exception for 1950.
> Here is a list from the Lisbon astronomical observatory, which says
> the same thing.
This is a reliable source since the OAL is responsible for the
realization of legal time in Portugal. I remember they helped me
get some of the decrees.
> I suggest that the rules for Europe/Lisbon should be updated accordingly.
Yes, let's try.
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