[tz] DST existed in Portugal 1950
alois at astro.ch
Sun Feb 7 08:48:31 UTC 2021
TZ claims that in 1950 there was no DST in Portugal, zone Europe/Lisbon.
While it was continuously applied between 1916 and 1965.
The sources quoted in file europe are poor, it is only Whitman versus
I have research 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.
This Wikipedia page shows a list
and mentions the Decreto-Lei nº 37048 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
I suggest that the rules for Europe/Lisbon should be updated accordingly.
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