Dublin is 8 hours ahead of Portland during standard time. Portland uses Pacific Time (PT, UTC-8) while Dublin uses Greenwich Mean Time (GMT, UTC+0). When it's 12:00 PM in Portland, it's 8:00 PM in Dublin.
Both cities observe daylight saving time, though they change clocks on different dates. The difference is typically 8 hours but may temporarily be 7 or 9 hours during transition periods.
Best calling time: 7:00 AM - 9:00 AM Portland time. This corresponds to 3:00 PM - 5:00 PM in Dublin, catching Irish afternoon business hours.
Portland has strong Irish-American heritage and cultural ties to Ireland. Dublin's tech sector (Silicon Docks) has connections with Portland's tech companies. The Pacific Northwest's rainy climate is often compared to Ireland's weather.