Time difference
5 hours 30 minutes (UTC behind). UTC uses UTC; Kolkata uses IST.
UTC to Kolkata Time
UTC is 5 hours 30 minutes behind Kolkata.
Slide through time
- Night
- Morning
- Daytime
- Evening
Tap a city name to search and change it (partial names work). Drag the timeline (12 hours in view, scrolls forever). Keyboard: ← → , PgUp / PgDn 1 hour, Home = now.
UTC time to Kolkata time
UTC is 5 hours 30 minutes behind Kolkata. When it is 9:00 AM in UTC, it is 2:30 PM in Kolkata, India. Standard 9 AM to 6 PM working hours overlap for 3 hours 30 minutes: 9:00 AM to 12:30 PM in UTC (2:30 PM to 6:00 PM in Kolkata).
Working-hours overlap
3 hours 30 minutes of shared 9 AM to 6 PM hours.
Daylight saving
No clock changes in either city.
UTC to Kolkata time conversion table
| UTC (UTC) | Kolkata (IST) |
|---|---|
| 12:00 AM | 5:30 AM |
| 1:00 AM | 6:30 AM |
| 2:00 AM | 7:30 AM |
| 3:00 AM | 8:30 AM |
| 4:00 AM | 9:30 AM |
| 5:00 AM | 10:30 AM |
| 6:00 AM | 11:30 AM |
| 7:00 AM | 12:30 PM |
| 8:00 AM | 1:30 PM |
| 9:00 AM | 2:30 PM |
| 10:00 AM | 3:30 PM |
| 11:00 AM | 4:30 PM |
| 12:00 PM | 5:30 PM |
| 1:00 PM | 6:30 PM |
| 2:00 PM | 7:30 PM |
| 3:00 PM | 8:30 PM |
| 4:00 PM | 9:30 PM |
| 5:00 PM | 10:30 PM |
| 6:00 PM | 11:30 PM |
| 7:00 PM | 12:30 AM (next day) |
| 8:00 PM | 1:30 AM (next day) |
| 9:00 PM | 2:30 AM (next day) |
| 10:00 PM | 3:30 AM (next day) |
| 11:00 PM | 4:30 AM (next day) |
Daylight saving time
Neither UTC nor Kolkata changes clocks for daylight saving time, so the 5 hours 30 minutes difference holds all year.
How to use the meeting time converter
- Select either city name and search by city, time zone, abbreviation, or UTC offset.
- Drag the horizontal timeline, or use the arrow and Page Up/Page Down keys, to choose a moment.
- Read the matching time and date for both locations and use the color bands to compare working hours.
Frequently asked questions
What is the time difference between UTC and Kolkata?
UTC is 5 hours 30 minutes behind Kolkata. UTC currently uses UTC and Kolkata uses IST.
When it is 9 AM in UTC, what time is it in Kolkata?
It is 2:30 PM in Kolkata.
What is the best time for a meeting between UTC and Kolkata?
Standard 9 AM to 6 PM working hours overlap for 3 hours 30 minutes: 9:00 AM to 12:30 PM in UTC (2:30 PM to 6:00 PM in Kolkata).
Does daylight saving time affect UTC and Kolkata?
Neither UTC nor Kolkata changes clocks for daylight saving time, so the 5 hours 30 minutes difference holds all year.