[tz] Bug Moncton 1973? Where can I find old tzdata releases?

Chris Walton Chris.Walton at telus.com
Fri Jul 5 14:18:05 UTC 2019

According to the book “The Great Daylight Saving Time Controversy” by Chris Pearce  (https://books.google.ca/books?isbn=1925516962), New Brunswick skipped daylight saving in 1973 after the province was hit by major flooding.

From: tz [mailto:tz-bounces at iana.org] On Behalf Of Alois Treindl
Sent: July 5, 2019 09:12 AM
To: tz at iana.org
Subject: [tz] Bug Moncton 1973? Where can I find old tzdata releases?

https://data.iana.org/time-zones/ seems to contain only tzdata releases from 2016 upwards.

I need to look into pre-2005 ones. Where can I find them?

The reason is that I am checking New Brunswick, Canada DST in 1973.

The zone America/Moncton was introduced in 2007, to be able to represent an unusual clock time of 0:01 for DST onset.

America/Moncton does not list DST for 1973.

That is the only year between 1945 and 2020 that NB would not have DST.

Nearby zones like Halifax or ST_Johns have 1973 DST, just like  the rest of Canada?

Is there a bug in America/Moncton ?

Shanks has DST in 1973 for New Brunswick.
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