Time Difference Between Denver and Kolkata

Denver is 11h 30m behind Kolkata. This difference shifts by an hour around daylight saving time changes.

Denver, United States
10:09:57PM

Monday, June 22, 2026

UTC-6 · MDT

Kolkata, India
9:39:57AM

Tuesday, June 23, 2026

UTC+5:30

Best time to connect

Standard working hours (9:00 AM–5:00 PM) in Denver fall between 8:30 PM and 4:30 AM (next day) in Kolkata.

Denver

UTC-6

Current time in Denver →

Kolkata

UTC+5:30

Current time in Kolkata →
Convert a specific time from Denver to Kolkata

Frequently asked questions

How many hours is Kolkata ahead of Denver?
Denver is 11h 30m behind Kolkata. Note that this changes by an hour across daylight saving time transitions.
Do Denver and Kolkata observe daylight saving time?
Denver observes daylight saving time, and Kolkata does not observe it. Because of that, the gap is 12h 30m for part of the year and 11h 30m for the rest.