On 2024-01-09 00:27, Chris Walton wrote:
> The only thing that needs changing in the TZ DB for America/Toronto is the
> transition times. The changes in 1947, 1948, and 1949 took place at 2:00
> a.m. local time instead of midnight.

Thanks for doing that research. I installed the attached to fix the TZDB
data for Toronto in 1947/1949.