Mumbai, India Kolkata, India
Compare time between Mumbai and Kolkata
Frequently Asked Questions
Mumbai is in the IST timezone (UTC+5:30) and Kolkata is in the IST timezone (UTC+5:30). The time difference between them is 0 hours (same zone).
Use the timeline above to find overlapping business hours between Mumbai and Kolkata. The "Best time to meet" card highlights the window where both cities are within working hours (9 AM – 6 PM local time).
Neither Mumbai nor Kolkata observes Daylight Saving Time, so the time difference remains constant throughout the year.
Click the pencil icon next to the Mumbai clock and type any time. The Kolkata clock will update instantly, showing the exact corresponding time. You can also pick a date to account for DST changes.