Live offset · Year-round DST · Shareable URL

Time difference
Kolkata and New York

Live clocks (IST ↔ EST), the current gap, month-by-month offset changes, and a full 24-hour map from Kolkata to New York.

1

Live gap

See the current offset between Kolkata and New York, with IANA-backed clocks updating every second.

2

Year-round chart

DST can shift the gap by an hour twice a year—the 2026 month table shows every change.

3

Hour-by-hour

Scroll the 24-hour table to map any civil hour in Kolkata into New York with day-shift cues.

Time difference workspace

How Kolkata and New York line up today.

2 cities · live offsetGap shifts yearly
City pair

Kolkata New York

New York is 9.5h behind Kolkata at this moment. Compare live clocks, seasonal DST shifts, and hour-by-hour conversions below.

Live offsetIANA zones · updates automatically
Kolkata
Asia/Kolkata
ZoneIST
Offset nowUTC+5:30
Hour gap
−9:30

New YorkKolkata

New York
America/New_York
ZoneEST / EDT
Offset nowUTC-4
About this pairUseful when planning calls or docs

Time difference between Kolkata and New York: New York is currently 10.5 hours behind Kolkata.

This difference is not constant: in winter Kolkata is 10.5 hours ahead of New York, while in summer (when one or both observe DST) the gap shifts to 9.5 hours ahead of. The monthly table below shows the exact offset gap month by month. For practical scheduling, jump to the best-time-to-meet page or the 24-hour conversion table below.

Jump aheadPick the view you need next
Best time to meetMonthly offsets24-hour table
Live clocks workspace

Clocks side by side.

Updates every second
Right nowAsia/Kolkata · America/New_York
Kolkata
Asia/Kolkata
Live time
--:--
OffsetUTC+5:30
AbbreviationIST
No DST
New York
America/New_York
Live time
--:--
OffsetUTC-4
AbbreviationEST / EDT
Observes DST
Relationship

New York is 9.5h behind Kolkata.

DST rules can widen or shrink this gap for a few weeks each spring and autumn—the month table below shows how many hours New York sits ahead of or behind Kolkata through the calendar year.

Next stepsPlan overlap or convert zones
Best time to meet →IST → EST →Overlap Finder →
Year-round

Offset changes by month

Sampled mid-month for 2026. Compares New York versus Kolkata; a value of +3h means New York is three hours ahead of Kolkata.

2026 calendar

Month-by-month gap

MonthDifference (New York vs Kolkata)
January-10.5h
February-10.5h
March-9.5h
April-9.5h
May-9.5h
June-9.5h
July-9.5h
August-9.5h
September-9.5h
October-9.5h
November-10.5h
December-10.5h
Hour by hour

24-hour conversion table

Every civil hour in Kolkata mapped into New York; day-shift cues follow active DST for both zones today.

KolkataNew York

Hourly wall-clock map for today — midnight crossings show as day shifts.

Kolkata with part-of-day icon
New York arrow and converted time
Day
  • 00:00
    14:30
    Prev day
  • 01:00
    15:30
    Prev day
  • 02:00
    16:30
    Prev day
  • 03:00
    17:30
    Prev day
  • 04:00
    18:30
    Prev day
  • 05:00
    19:30
    Prev day
  • 06:00
    20:30
    Prev day
  • 07:00
    21:30
    Prev day
  • 08:00
    22:30
    Prev day
  • 09:00
    23:30
    Prev day
  • 10:00
    00:30
    Same day
  • 11:00
    01:30
    Same day
  • 12:00
    02:30
    Same day
  • 13:00
    03:30
    Same day
  • 14:00
    04:30
    Same day
  • 15:00
    05:30
    Same day
  • 16:00
    06:30
    Same day
  • 17:00
    07:30
    Same day
  • 18:00
    08:30
    Same day
  • 19:00
    09:30
    Same day
  • 20:00
    10:30
    Same day
  • 21:00
    11:30
    Same day
  • 22:00
    12:30
    Same day
  • 23:00
    13:30
    Same day
Uses your browser's IANA zone data — choose another date in the converter for historical or future days.
Keep exploring

Related pages

More time-difference routes, pairwise best times, triple-city overlaps, and conversions tied to Kolkata, New York, or this corridor.

FAQ

Frequently asked questions

Offsets between Kolkata and New York, DST shifts, scheduling, and how we source timezone data—plus how to share this page.

Currently, New York is 9.5h behind Kolkata. This may change through the year if either city observes Daylight Saving Time.