The following bug has been logged on the website:
Bug reference: 16123
Logged by: Thushara Wijeratna
Email address: thushw@gmail.com
PostgreSQL version: 11.5
Operating system: MacOS (Mojave)
Description:
maestro_development=# select timestamp with time zone '2019-12-01T02:00:00Z'
at time zone 'America/Sao_Paulo';
timezone
---------------------
2019-11-30 23:00:00
(1 row)
From Nov 3, America/Sao_Paulo should be offset only 2 hours from UTC due to
DTS. I would expect the timestamp to be December 1st midnight.
https://www.travelmath.com/time-zone/America/Sao_Paulo