Kolkata to New York Time
Live IST ↔ EST/EDT time converter · West Bengal, India → USA DST applies
24-Hour Overlap Timeline
⚠ New York observes daylight saving time — offset shifts between UTC-5 and UTC-4 seasonally
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UTC → | ||||||||||||||||||||||||
| 🇮🇳 Kolkata UTC+5:30 | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a |
| 🇺🇸 New York UTC-5 | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p |
IST (Indian Standard Time) to New York (EST (Eastern Standard Time)/EDT (Eastern Daylight Time)) Conversion Table
All 24 hours of the day · based on standard time — EST (Eastern Standard Time).
Live offset may differ during DST (EDT (Eastern Daylight Time)) — see clock above.
✅ Both in business hours 🔵 India office hours only 🟢 New York office hours only
| IST (Indian Standard Time) — Kolkata | New York — EST/EDT | Working hours |
|---|---|---|
| 12:00 AM IST (Indian Standard Time) | 1:30 PM EST | 🟢 EST only −1 day |
| 1:00 AM IST (Indian Standard Time) | 2:30 PM EST | 🟢 EST only −1 day |
| 2:00 AM IST (Indian Standard Time) | 3:30 PM EST | 🟢 EST only −1 day |
| 3:00 AM IST (Indian Standard Time) | 4:30 PM EST | 🟢 EST only −1 day |
| 4:00 AM IST (Indian Standard Time) | 5:30 PM EST | −1 day |
| 5:00 AM IST (Indian Standard Time) | 6:30 PM EST | −1 day |
| 6:00 AM IST (Indian Standard Time) | 7:30 PM EST | −1 day |
| 7:00 AM IST (Indian Standard Time) | 8:30 PM EST | −1 day |
| 8:00 AM IST (Indian Standard Time) | 9:30 PM EST | −1 day |
| 9:00 AM IST (Indian Standard Time) | 10:30 PM EST | 🔵 India only −1 day |
| 10:00 AM IST (Indian Standard Time) | 11:30 PM EST | 🔵 India only −1 day |
| 11:00 AM IST (Indian Standard Time) | 12:30 AM EST | 🔵 India only |
| 12:00 PM IST (Indian Standard Time) | 1:30 AM EST | 🔵 India only |
| 1:00 PM IST (Indian Standard Time) | 2:30 AM EST | 🔵 India only |
| 2:00 PM IST (Indian Standard Time) | 3:30 AM EST | 🔵 India only |
| 3:00 PM IST (Indian Standard Time) | 4:30 AM EST | 🔵 India only |
| 4:00 PM IST (Indian Standard Time) | 5:30 AM EST | 🔵 India only |
| 5:00 PM IST (Indian Standard Time) | 6:30 AM EST | 🔵 India only |
| 6:00 PM IST (Indian Standard Time) | 7:30 AM EST | |
| 7:00 PM IST (Indian Standard Time) | 8:30 AM EST | |
| 8:00 PM IST (Indian Standard Time) | 9:30 AM EST | 🟢 EST only |
| 9:00 PM IST (Indian Standard Time) | 10:30 AM EST | 🟢 EST only |
| 10:00 PM IST (Indian Standard Time) | 11:30 AM EST | 🟢 EST only |
| 11:00 PM IST (Indian Standard Time) | 12:30 PM EST | 🟢 EST only |
Explore Kolkata — Top Attractions & Travel Guide
Discover top attractions, local tips and hidden gems in Kolkata on india-guide.in — India's curated travel destination guide.
Explore Kolkata on india-guide.in →Best Time to Call New York from Kolkata
Kolkata (9 AM–6 PM IST) and New York (9 AM–5 PM EST) do not have simultaneous business hours. The closest window for calls: 5:30–7:00 PM IST = early morning New York time — works for brief handoffs. Alternatively, use async tools (email, Slack) for daily coordination.
⏰ DST reminder: During EDT (Mar–Nov) the IST−New York gap shrinks from 10h 30m to 9h 30m. Indian calls scheduled for 9 PM IST reach New York 1 hour later in local time than they would in winter.
Kolkata, India
Kolkata is eastern India's commercial and cultural hub, and serves as the gateway to north-east India and Bangladesh. The city's jute, tea, and coal trade built British India. Today it houses the Calcutta Stock Exchange and is a growing IT destination. Kolkata's intellectual and literary tradition makes it India's cultural capital. It is the closest major Indian city to South-East Asia, with strong historic trade ties.
- Gateway to North-East India and Bangladesh
- Calcutta Stock Exchange — India's second oldest
- India's dominant jute, tea, and coal trading centre historically
- Closest major India city to South-East Asian markets
New York, USA
New York is the world's financial capital and a major hub for the Indian diaspora. Home to Wall Street, the United Nations, and hundreds of Fortune 500 headquarters, it is the top US destination for Indian IT professionals, bankers, and business travellers. The city hosts one of the largest Indian communities outside India, concentrated in areas like Jackson Heights, Queens.
- World's leading financial centre
- Home to NYSE and NASDAQ
- Large Indian-American community in NJ/NY metro
- Direct flights from Mumbai & Delhi
Frequently Asked Questions
What is the time difference between Kolkata and New York?
When do clocks change in New York and how does it affect IST?
During EDT (Mar–Nov) the IST−New York gap shrinks from 10h 30m to 9h 30m. Indian calls scheduled for 9 PM IST reach New York 1 hour later in local time than they would in winter.