There is no province-wide Canadian sidewalk clock
Some cities clear public sidewalks themselves; others place the duty on adjacent owners or occupants. Deadlines and winter-parking systems can be completely different within the same province. Every guide below now links to a direct official winter-rule source or the current authority route responsible for the rule.
12 Quebec city guides
DrummondvilleCurrent official sourceGatineauCurrent official sourceLavalCurrent official sourceLévisCurrent official sourceLongueuilCurrent official sourceMontréalCurrent official sourceQuébec CityCurrent official sourceSaguenayCurrent official sourceSaint-JérômeCurrent official sourceSherbrookeCurrent official sourceTerrebonneCurrent official sourceTrois-RivièresCurrent official source