IST to EST currently uses India Time in Asia/Kolkata and Eastern Time in America/New_York as the live reference pair. Right now the gap is -9h 30m, and the sections below break that into meeting-time shortcuts, workday overlap, DST changes, and city coverage on both sides.
IST is ambiguous in this dataset, so the live converter uses Asia/Kolkata as the busiest reference zone while the city list below shows the wider label family.
EST is ambiguous in this dataset, so the live converter uses America/New_York as the busiest reference zone while the city list below shows the wider label family.
India Time
Live zone: Asia/Kolkata (GMT+5:30, +05:30)
Major markets in this grouping include Mumbai, Delhi, Bengaluru, Hyderabad.
Eastern Time
Live zone: America/New_York (EDT, -04:00)
Major markets in this grouping include New York City, Toronto, Brooklyn, Queens.
Current gap
-9h 30m
IST +05:30 vs EST -04:00
9-to-5 overlap
No shared block
Meetings usually need an early or late handoff.
Representative countries
India, Israel, and Sri Lanka / United States, Canada, and Haiti
Based on the busiest city and zone usage found in the current dataset.
IST and EST currently connect Mumbai and New York City with a live gap of -9h 30m. Representative coverage on the IST side is anchored by Mumbai, Delhi, Bengaluru, and Hyderabad, while the EST side is anchored by New York City, Toronto, Brooklyn, and Queens.
Using a simple 9:00 AM to 5:00 PM workday on both sides, this pair has no strict overlap right now. Meetings usually work best as early-late handoffs rather than midday sessions. The gap is large enough that this pair behaves more like a handoff corridor than a full shared day, which is common for travel plans, follow-the-sun coverage, and async collaboration.
The live gap is -9h 30m right now, based on Asia/Kolkata at +05:30 and America/New_York at -04:00. America/New_York changes offset on November 1, 2026, so the gap moves to -10h 30m after that transition.
On the IST side, the current dataset is anchored by cities such as Mumbai, India; Delhi, India; Bengaluru, India; Hyderabad, India; Ahmedabad, India; Chennai, India. That makes this page useful for real-world coordination patterns rather than only abstract offset math.
On the EST side, the live reference set includes New York City, United States; Toronto, Canada; Brooklyn, United States; Queens, United States; Montréal, Canada; Philadelphia, United States. In practice, that means the conversion is tied to recognizable business, travel, and support hubs rather than a single anonymous timezone label.
Country usage on the two sides currently includes India, Israel, and Sri Lanka for IST and United States, Canada, and Haiti for EST. That country coverage helps explain why some pairs feel like outsourcing, logistics, gaming, finance, or travel-heavy conversions while others are more niche.
Adjust the time — digits roll like an odometer. Swap button flips the zones.
Quick conversions for 9 AM, noon, 3 PM, 6 PM, and 9 PM based on today's local calendar.
| IST | EST | Day relation |
|---|---|---|
| 9:00 AM | 11:30 PMMon, Apr 20 | previous day |
| 12:00 PM | 2:30 AMTue, Apr 21 | same day |
| 3:00 PM | 5:30 AMTue, Apr 21 | same day |
| 6:00 PM | 8:30 AMTue, Apr 21 | same day |
| 9:00 PM | 11:30 AMTue, Apr 21 | same day |
Quick conversions for 9 AM, noon, 3 PM, 6 PM, and 9 PM based on today's local calendar.
| EST | IST | Day relation |
|---|---|---|
| 9:00 AM | 6:30 PMTue, Apr 21 | same day |
| 12:00 PM | 9:30 PMTue, Apr 21 | same day |
| 3:00 PM | 12:30 AMWed, Apr 22 | next day |
| 6:00 PM | 3:30 AMWed, Apr 22 | next day |
| 9:00 PM | 6:30 AMWed, Apr 22 | next day |
IST to EST meeting times is easiest to read as a working-day range rather than a single spot conversion. In the current snapshot, 9:00 AM lands at 11:30 PM, while 9:00 PM lands at 11:30 AM, which makes the practical handoff window much easier to scan.
EST to IST meeting times is easiest to read as a working-day range rather than a single spot conversion. In the current snapshot, 9:00 AM lands at 6:30 PM, while 9:00 PM lands at 6:30 AM, which makes the practical handoff window much easier to scan.
The live gap is -9h 30m right now, based on Asia/Kolkata at +05:30 and America/New_York at -04:00. America/New_York changes offset on November 1, 2026, so the gap moves to -10h 30m after that transition.
There is no strict 9 AM to 5 PM overlap right now, so this pair is better for handoffs, travel planning, or async coordination than for midday meetings.
Asia/Kolkata
GMT+5:30 · +05:30
America/New_York
EDT · -04:00
These are the busiest live references selected from the abbreviation families on this page.
| IST | EST |
|---|---|
| 05:30 | 20:00 |
| 06:30 | 21:00 |
| 07:30 | 22:00 |
| 08:30 | 23:00 |
| 09:30 | 00:00 |
| 10:30 | 01:00 |
| 11:30 | 02:00 |
| 12:30 | 03:00 |
| 13:30 | 04:00 |
| 14:30 | 05:00 |
| 15:30 | 06:00 |
| 16:30 | 07:00 |
| 17:30 | 08:00 |
| 18:30 | 09:00 |
| 19:30 | 10:00 |
| 20:30 | 11:00 |
| 21:30 | 12:00 |
| 22:30 | 13:00 |
| 23:30 | 14:00 |
| 00:30 | 15:00 |
| 01:30 | 16:00 |
| 02:30 | 17:00 |
| 03:30 | 18:00 |
| 04:30 | 19:00 |
Countries represented here include India, Israel, and Sri Lanka.
Countries represented here include United States, Canada, and Haiti.