Tokyo is 14 hours ahead of Ottawa during Eastern Standard Time. Ottawa uses EST (UTC-5) while Tokyo uses Japan Standard Time (JST, UTC+9). When it's 12:00 PM in Ottawa, it's 2:00 AM the next day in Tokyo.
During Ottawa's daylight saving time (March to November), the difference reduces to 13 hours as Ottawa moves to UTC-4. Japan does not observe daylight saving time.
Best calling time: 6:00 PM - 9:00 PM Ottawa time. This corresponds to 8:00 AM - 11:00 AM in Tokyo (or 7:00 AM - 10:00 AM during EDT).
Canada and Japan have strong diplomatic and trade relations. Ottawa, as Canada's capital, hosts many international organizations and government offices with Japan connections.