adelinej, “The best viewing times are location-dependent. In Ontario and Quebec, the prime timeslot is between 11 p.m. and 5 a.m. In Alberta, it’s 9 p.m. to 3 a.m. and in British Columbia, it’s 8 p.m. to 2 a.m.”
https://toronto.ctvnews.ca/where-and-when-to-see-the-northern-lights-in-toronto-tonight