It is 06:06 on Saturday, October 3, 2026 in Kolkata, India. The city runs on UTC+5:30 (IST), which puts it 8 hours 30 minutes ahead of Brasília.
Time zone and UTC offset in Kolkata
Kolkata follows the Asia/Kolkata time zone, abbreviated IST. Right now its offset from Coordinated Universal Time is UTC+5:30. Note the 30-minute fraction: unlike most of the world, this zone is not set on a whole hour, so the difference from Brasília is not a round number of hours either.
Kolkata does not observe daylight saving time and no clock change is scheduled for the next year. Its offset stays at UTC+5:30 all year round. Brazil abolished daylight saving time in 2019, so the gap between the two stays fixed at 8 hours 30 minutes. That makes scheduling predictable: a meeting booked for any date of the year at a given Brasília time always lands at the same local time in Kolkata.
Time difference between Brasília and Kolkata
To convert, take Brasília time and add 8 hours 30 minutes; when the sum passes midnight, the date in Kolkata is already the next day. The table uses today's offsets.
Going the other way, local noon in Kolkata is 03:30 in Brasília, and local midnight is 15:30 (previous day) in Brasília. Because Kolkata is ahead, its calendar date is one day later than in Brasília from 15:30 until midnight Brasília time. Keep this in mind for deadlines, flights and anything scheduled around the start or end of a day.
| Brasília (UTC-3) | Kolkata (UTC+5:30) |
|---|---|
| 06:00 | 14:30 |
| 09:00 | 17:30 |
| 12:00 | 20:30 |
| 15:00 | 23:30 |
| 18:00 | 02:30 (next day) |
| 21:00 | 05:30 (next day) |
Best time to call Kolkata from Brazil
Taking a 9:00 to 18:00 working day on both sides, the shared window runs from 09:00 to 09:30 in Brasília, which is 17:30 to 18:00 in Kolkata. That is only 30 minutes, so one or two slots a day are all you get; confirm the time in advance.
For several cities at once, use the meeting planner, or convert any hour with the time zone converter.
Sunrise and sunset in Kolkata today
Today the Sun rises in Kolkata at 05:28 and sets at 17:22 local time, a daylight span of 11h 53min, with solar noon at 11:25. See other places on the sunrise and sunset page.
Where is Kolkata?
Kolkata is at 22.53° N, 88.37° E (country: India). The country page shows its main reference time and neighbours. Compare more places on world time or in the list of cities.