Denver is 2 hours behind Boston. When it's 12:00 PM in Boston, it's 10:00 AM in Denver. Both cities observe DST, maintaining the 2-hour difference year-round.
Boston uses ET (Eastern Time) while Denver uses MT (Mountain Time).
Optimal window: 10:00 AM - 6:00 PM Boston time (8:00 AM - 4:00 PM Denver). This covers standard business hours in both cities.
Both cities are major tech and innovation hubs with frequent business travel between them.