Current time in Kolkata, India
Kolkata follows India Standard Time (IST) and remains on the same time throughout the year.
Quick facts:
- Time zone: IST (UTC +5:30)
- Daylight Saving: Not observed
- UTC offset: +5 hours 30 minutes
- IANA zone: Asia/Kolkata
Time difference from Kolkata:
- Kolkata ↔ Sydney: Sydney is usually 4 hours 30 minutes to 5 hours 30 minutes ahead (depending on Australian DST)
- Kolkata ↔ Auckland: Auckland is usually 6 hours 30 minutes to 7 hours 30 minutes ahead
- Kolkata ↔ Los Angeles: LA is usually 13 hours 30 minutes behind (sometimes 12 hours 30 minutes during US DST overlap)
- Kolkata ↔ New York: NY is usually 10 hours 30 minutes behind (sometimes 9 hours 30 minutes during US DST)
- Kolkata ↔ London: London is usually 5 hours 30 minutes behind (sometimes 4 hours 30 minutes during UK DST)
Frequently Asked Questions
Does Kolkata use Daylight Saving Time?
No. India stays on IST (UTC +5:30) all year.
What time zone is Kolkata in?
India Standard Time (IST), UTC +5:30.
Is Kolkata the same time as New Delhi?
Yes. New Delhi and Kolkata both follow IST (UTC +5:30).



