Amsterdam is 8 hours ahead of Denver. Denver uses Mountain Time (MST/MDT) while Amsterdam uses Central European Time (CET/CEST). When it's 9:00 AM in Denver, it's 5:00 PM in Amsterdam.
Both cities observe daylight saving time, though they switch on different dates. The time difference is typically 8 hours but can briefly be 7 or 9 hours during transition periods.
Best calling time: 1:00 AM - 9:00 AM Denver time. This corresponds to 9:00 AM - 5:00 PM in Amsterdam. Very early morning calls from Denver are necessary to reach Dutch business hours.
Denver and Amsterdam are connected through major US and European hubs. Amsterdam's Schiphol Airport is a major gateway to Europe, and both cities have growing tech and startup scenes.