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 Alberta city guides
AirdrieCurrent official sourceCalgaryCurrent official sourceEdmontonCurrent official sourceFort McMurrayCurrent official sourceGrande PrairieCurrent official sourceLethbridgeCurrent official sourceLloydminsterCurrent official sourceMedicine HatCurrent official sourceOkotoksCurrent official sourceRed DeerCurrent official sourceSpruce GroveCurrent official sourceSt. AlbertCurrent official source