Hong Kong is 15 hours ahead of Calgary (or 14 hours during MDT). Calgary uses Mountain Time (MT, UTC-7/-6) while Hong Kong uses Hong Kong Time (HKT, UTC+8). When it's 12:00 PM in Calgary, it's 3:00 AM the next day in Hong Kong.
Calgary observes daylight saving time while Hong Kong does not, so the difference varies between 14 and 15 hours throughout the year.
Best calling time: 5:00 PM - 8:00 PM Calgary time. This corresponds to 8:00 AM - 11:00 AM the next day in Hong Kong, catching morning business hours.
Calgary has a significant Chinese-Canadian community and business ties with Hong Kong. Many immigrants from Hong Kong settled in Calgary, creating cultural and business connections between the cities.