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- Type a city, a country or a zone such as “CET” or “Tokyo”.
Current local time in Kolkata, India
Asia/Kolkata
Observatory log
Kolkata, observed
- 01Time zone
India Standard Time
IST · UTC+5:30 · IANA
Asia/Kolkata- 02Daylight saving
India does not observe daylight saving time.
Clocks stay on IST (UTC+5:30) all year. No change is scheduled in tzdata 2026e.
- 03Sun today
- Sunrise05:33Sunset17:11Day length11 h 39 minSolar noon11:22
MoonWaxing crescent, 20% lit
Golden hour05:19–06:03 · 16:42–17:26
- 04Working hours
Counted as 09:00–17:00 local; the weekend in India is Saturday and Sunday.
- 05Best time to call
- 06Time zones in India
India uses a single time zone: Asia/Kolkata.
- 08Coordinates
22.50° N, 88.32° E · West Bengal
Differences
Kolkata and the world
| City | Local time | Difference from KolkataDiff. |
|---|---|---|
 London | −4 h 30 min | |
 New York | −9 h 30 min | |
| Los Angeles | −12 h 30 min | |
| Chicago | −10 h 30 min | |
 São Paulo | −8 h 30 min | |
 Paris | −3 h 30 min | |
 Dubai | −1 h 30 min | |
 Mumbai | Same time | |
 Singapore | +2 h 30 min | |
 Hong Kong | +2 h 30 min | |
 Tokyo | +3 h 30 min |
Questions
Asked about Kolkata
What time zone is Kolkata in?
Kolkata uses India Standard Time (IST), UTC+5:30. Its IANA time-zone ID is Asia/Kolkata.
Does India use daylight saving time?
No. India does not observe daylight saving time: the clocks stay on India Standard Time (UTC+5:30) all year.
When does the sun rise and set in Kolkata today?
Today in Kolkata the sun rises at 05:33 and sets at 17:11, giving 11 h 39 min of daylight.