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Timezone Conversion Hub

IST to EST Time Converter

Convert India Standard Time (IST) to Eastern Standard Time (EST). EST is 10 hours and 30 minutes behind IST. Compare live clocks and plan calls.

Quick Answer: EST (Eastern Standard Time) is exactly 9 hours and 30 minutes behind IST (India Standard Time). When it is 12:00 PM (Noon) in IST, it is 2:30 AM in EST. Zero standard daytime business hours overlap.
Source Timezone

IST — India Standard Time

UTC +5:30
Saturday, October 10, 2026
21:50:42
IANA: Asia/Kolkata
DST: Fixed StandardKey Hub: India
Destination Timezone

EST — Eastern Standard Time

UTC -4
Saturday, October 10, 2026
12:20:42
IANA: America/New_York
Differential: 9 hours 30 minutes behindKey Hub: United States
Instant Direction Toggle: Need to view the inverse time difference?
Convert EST to IST instead

Interactive Multi-Zone Visual Grid

Hover or drag across the hours to align schedules, discover business overlaps, and click to schedule.

Interactive Multi–Zone Visual Grid

Hover or drag across the hours to align schedules, discover business overlaps, and click to schedule.

Saturday, October 10, 2026
Business Hours (9am – 6pm)Shoulder HoursNight / SleepOverlap Window
Click any hour tile to select & schedule
Location & Timezone
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IST

India, Sri Lanka

• UTC +5:3009:50:42 PM
12
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12
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EST

United States, Canada

• UTC -412:20:42 PM
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Saturday, October 10, 2026 • Selected Hour
04:00 PMIST06:30 AMEST
Best International Meeting Overlap|09:00 AM – 10:00 PM IST (11:30 PM – 12:30 PM EST)
Quick Timezone Converter Selector

Jump to any of the 552 international timezone converter combinations in one click:

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Complete 24-Hour Conversion Table: IST to EST

Hour-by-hour cross-reference table for scheduling calls, webinars, and international broadcasts.

05:30 IST
20:00 EST
06:30 IST
21:00 EST
07:30 IST
22:00 EST
08:30 IST
23:00 EST
09:30 IST
24:00 EST
10:30 IST
01:00 EST
11:30 IST
02:00 EST
12:30 IST
03:00 EST
13:30 IST
04:00 EST
14:30 IST
05:00 EST
15:30 IST
06:00 EST
16:30 IST
07:00 EST
17:30 IST
08:00 EST
18:30 IST
09:00 EST
19:30 IST
10:00 EST
20:30 IST
11:00 EST
21:30 IST
12:00 EST
22:30 IST
13:00 EST
23:30 IST
14:00 EST
24:30 IST
15:00 EST
01:30 IST
16:00 EST
02:30 IST
17:00 EST
03:30 IST
18:00 EST
04:30 IST
19:00 EST
Quick Hourly Reference Table

IST to EST Hourly Conversion Chart (IST vs EST)

Instant hour-by-hour reference table for common meeting times, morning calls, and evening handoffs between IST (India Standard Time) and EST (Eastern Standard Time).

IST Time (India Standard Time)EST Time (Eastern Standard Time)
8:00 AM IST10:30 PM EST
9:00 AM IST11:30 PM EST
10:00 AM IST12:30 AM EST
11:00 AM IST1:30 AM EST
12:00 PM IST2:30 AM EST
1:00 PM IST3:30 AM EST
2:00 PM IST4:30 AM EST
3:00 PM IST5:30 AM EST
4:00 PM IST6:30 AM EST
5:00 PM IST7:30 AM EST
6:00 PM IST8:30 AM EST
7:00 PM IST9:30 AM EST
8:00 PM IST10:30 AM EST
Verified Chronometric Analysis

India to Eastern Standard Offset Comparison

Eastern Standard Time (EST) is 10 hours and 30 minutes behind India Standard Time (IST). For development teams in India coordinating with US East Coast partners, evening handoffs provide the primary live touchpoint.

Use our 24-hour visual converter to compare matching hours, check live atomic clocks, and schedule calls without timezone errors.

End-of-Day India Handoffs to Morning US East Coast

Compare reciprocal schedules, verify working hour alignments, and schedule with confidence.

Handling US Daylight Saving Variations

Compare reciprocal schedules, verify working hour alignments, and schedule with confidence.

Frequently Asked Questions: IST to EST Time Conversion

Common queries, time calculations, and scientific explanations

EST (Eastern Standard Time, UTC-5) is exactly 10 hours and 30 minutes behind IST (India Standard Time, UTC+5:30).

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