World Timezones

IST to EST Converter

Compare EST to IST instead

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Offset

9.5 hours

India Standard Time (IST) is currently ahead of Eastern Time (EST).

IST: UTC+5:30

EST: UTC-4

Eastern Time is currently observing daylight saving time; India Standard Time is not.

When to schedule

Standard business hours (9 AM–5 PM, Mon–Fri) in India Standard Time and Eastern Time don't overlap on the same weekday. Eastern Time is 9 hours behind India Standard Time.

Realistic options: hand off asynchronously, or stretch one side by an hour to catch the other team at the start or end of their day.

This window may shift by an hour during daylight saving time.

About these zones

India Standard Time is also known as IST.

Eastern Time is also known as EST, or EDT.

India Standard Time and Eastern Time are approximately 7,800 miles apart.

Quick reference

Full 24-hour conversion table.

ISTESTDay
12:00 am2:30 pm-1 day
1:00 am3:30 pm-1 day
2:00 am4:30 pm-1 day
3:00 am5:30 pm-1 day
4:00 am6:30 pm-1 day
5:00 am7:30 pm-1 day
6:00 am8:30 pm-1 day
7:00 am9:30 pm-1 day
8:00 am10:30 pm-1 day
9:00 am11:30 pm-1 day
10:00 am12:30 amSame day
11:00 am1:30 amSame day
12:00 pm2:30 amSame day
1:00 pm3:30 amSame day
2:00 pm4:30 amSame day
3:00 pm5:30 amSame day
4:00 pm6:30 amSame day
5:00 pm7:30 amSame day
6:00 pm8:30 amSame day
7:00 pm9:30 amSame day
8:00 pm10:30 amSame day
9:00 pm11:30 amSame day
10:00 pm12:30 pmSame day
11:00 pm1:30 pmSame day

Daylight saving time

Eastern Time observes daylight saving time; India Standard Time does not. The offset between the two zones changes when Eastern Time transitions: on Sunday, November 1, 2026, clocks fall back from EDT to EST.

Daylight today

India Standard Time
Sunrise
6:02 AM
Sunset
7:11 PM
Day length
13h 9m
Eastern Time
Sunrise
5:31 AM
Sunset
8:18 PM
Day length
14h 47m

Daylight overlap: 4h 11m — 3:01 PM–7:11 PM in India Standard Time (5:31 AM–9:41 AM in Eastern Time). Both locations are in daylight during this window.

Cities in these zones

Airports in these zones

Airports in India Standard Time

  • BOM
  • NMI
  • DEL
  • BLR
  • HYD
  • AMD
  • MAA
  • CCU
  • STV
  • PNQ

Airports in Eastern Time

  • EWR
  • HPN
  • JFK
  • LGA
  • TEB
  • ILG
  • PHL
  • TTN
  • CLT
  • USA

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