Police said earlier this week that the fire was intentional.
The government also moved to prevent stockpiling of weapons before the changes become law.
The Australian PM confirmed the suspect charged is an Australian citizen, labeling the incident a “right-wing, extremist, violent attack.”
The proposed day would be January 29, for the six Muslim men who were killed in a mass shooting at a mosque last year in Quebec.
Vigils took place across Canada, one day after six men were killed by a lone gunman in a Quebec City mosque.
Police Say Muslim Woman Attacked, Called a 'Terrorist' While Picking Her Kids Up From School in Canada
The attack happened the same day Prime Minister Justin Trudeau warned Canadians he “will not abide innocent and peaceful citizens being targeted by acts of vandalism and intolerance.”