Kolkata, India Karachi, Pakistan

Kolkata is in the IST timezone (UTC+5:30) and Karachi is in the PKT timezone (UTC+5). The time difference between them is 30 min.

Use the timeline above to find overlapping business hours between Kolkata and Karachi. The "Best time to meet" card highlights the window where both cities are within working hours (9 AM – 6 PM local time).

Neither Kolkata nor Karachi observes Daylight Saving Time, so the time difference remains constant throughout the year.

Click the pencil icon next to the Kolkata clock and type any time. The Karachi clock will update instantly, showing the exact corresponding time. You can also pick a date to account for DST changes.