Kolkata, India
Live local time, today's date, Asia/Kolkata details, UTC offset and practical comparisons for Kolkata.
Kolkata time facts
These values are calculated for the current instant using Asia/Kolkata.
- Time zone
- Asia/Kolkata
- Abbreviation
- IST
- UTC offset
- UTC+05:30
- Daylight saving
- No · Not active now
- Country
- India
Sky times for Kolkata
Calculated for Wednesday, September 16, 2026 at 22.5726, 88.3639. Horizon times are approximate and can vary with terrain and atmospheric conditions.
Waxing Crescent
21% illuminated · lunar age 4.4 days
Kolkata across the day
Compare Kolkata with major business centres. Hover or tap a column to follow one instant across every location.
Time difference from Kolkata
Differences below use each location's current UTC offset and can change around daylight-saving transitions.
| City | Local time | Zone | Difference |
|---|---|---|---|
| London United Kingdom | 12:35 PM | BST · UTC+01:00 | London is 4 hours 30 minutes behind Kolkata |
| New York United States | 7:35 AM | EDT · UTC-04:00 | New York is 9 hours 30 minutes behind Kolkata |
| Dubai United Arab Emirates | 3:35 PM | +04 · UTC+04:00 | Dubai is 1 hour 30 minutes behind Kolkata |
| Singapore Singapore | 7:35 PM | +08 · UTC+08:00 | Singapore is 2 hours 30 minutes ahead Kolkata |
| Tokyo Japan | 8:35 PM | JST · UTC+09:00 | Tokyo is 3 hours 30 minutes ahead Kolkata |
| Sydney Australia | 9:35 PM | AEST · UTC+10:00 | Sydney is 4 hours 30 minutes ahead Kolkata |
| Los Angeles United States | 4:35 AM | PDT · UTC-07:00 | Los Angeles is 12 hours 30 minutes behind Kolkata |
Kolkata time zone
- IANA identifier
- Asia/Kolkata
- Current abbreviation
- IST
- Current UTC offset
- UTC+05:30
- Offsets seen in 2026
- UTC+05:30
- Abbreviations seen in 2026
- IST
- Daylight saving in current year
- No seasonal offset change detected
- Next clock change
- No clock change was found in the next 550 days.
- Coordinates
- 22.5726, 88.3639
Time zone converter
Convert historical, current or future wall times between cities, IANA zones and UTC offsets.
Compare Kolkata with
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Kolkata time questions
What time is it in Kolkata right now?
The live clock at the top shows the current time in Kolkata. At page generation it was 5:05 PM on Wednesday, September 16, 2026.
What time zone is Kolkata in?
Kolkata uses the IANA time zone Asia/Kolkata. Its current abbreviation is IST.
What is Kolkata's UTC offset?
The current UTC offset is UTC+05:30. The offset shown is calculated for the current instant rather than hardcoded.
Does Kolkata observe daylight saving time?
No daylight-saving offset change is detected for this zone in the current year.
What is the time difference between Kolkata and London?
At this moment London is 4 hours 30 minutes behind Kolkata. The difference may change when daylight-saving rules change.
