Amsterdam is 9 hours ahead of Portland during standard time. Portland uses Pacific Time (PT, UTC-8) while Amsterdam uses Central European Time (CET, UTC+1). When it's 12:00 PM in Portland, it's 9:00 PM in Amsterdam.
Both cities observe daylight saving time, though they change clocks on different dates. The difference is typically 9 hours but may temporarily be 8 or 10 hours during transition periods.
Best calling time: 7:00 AM - 8:00 AM Portland time. This corresponds to 4:00 PM - 5:00 PM in Amsterdam, catching the end of European business hours.
Portland and Amsterdam share cultural similarities - both are known for cycling culture, sustainability, and progressive values. Portland's tech sector has connections with Dutch companies, particularly in sustainable technology and design.