Dublin is 5 hours ahead of Ottawa during standard time. Ottawa uses Eastern Standard Time (EST, UTC-5) while Dublin uses Greenwich Mean Time (GMT, UTC+0). When it's 12:00 PM in Ottawa, it's 5:00 PM in Dublin.
During daylight saving time, the difference may vary slightly as both regions change clocks on different dates.
Best calling time: 8:00 AM - 12:00 PM Ottawa time. This corresponds to 1:00 PM - 5:00 PM in Dublin, catching Irish afternoon business hours.
Ottawa, as Canada's capital, has diplomatic ties with Ireland. Canada has a large Irish diaspora, and business connections between the two countries are strong, particularly in tech and government sectors.