IST to EST Time Converter - Live World Clock

Convert time between India Standard Time (IST) and Eastern Standard Time (EST). See current time with live clocks.

India (IST)

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10:57:43 PM
Thursday, August 20, 2026

United States (EST)

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01:27:43 PM
Thursday, August 20, 2026

Current Time Difference

IST is 10.5 hours ahead of EST

What is IST (India Standard Time)?

India Standard Time (IST) is the time zone observed throughout India, with a time offset of UTC+5:30. India does not observe Daylight Saving Time.

Countries and Regions Using IST

Primary Country:

  • India - The entire country follows IST

Also Used By:

  • Sri Lanka

Key Facts about IST:

  • ✓ Over 1.4 billion people use IST
  • ✓ Major tech and financial hub
  • ✓ No DST observed
  • ✓ Single timezone across the country
  • ✓ Major Cities: Mumbai, Delhi, Bangalore, Kolkata, Chennai, Hyderabad
  • ✓ UTC Offset: +5:30

What is EST (Eastern Standard Time)?

Eastern Standard Time (EST) is used in eastern North America and the Caribbean, UTC-5:00.

Countries and Regions Using EST

Primary Country:

  • United States
  • States: New York, Florida, Pennsylvania, Georgia, Michigan

Also Used By:

  • Canada - Ontario, Quebec

Key Facts about EST:

  • ✓ Most populous US timezone
  • ✓ Wall Street financial center
  • ✓ DST observed March-November
  • ✓ Major Cities: New York City, Miami, Atlanta, Boston, Philadelphia, Washington D.C.
  • ✓ UTC Offset: -5:00 (-4:00 during EDT)

IST to EST Time Difference

Standard Time Difference:

IST is 10.5 hours ahead

Common Use Cases:

  • • Business meetings between India and United States
  • • International collaboration across timezones
  • • Scheduling calls and conferences

Frequently Asked Questions

Which countries are in IST time zone?

India is the primary country using IST (+5:30). Other countries include: Sri Lanka.

Which countries are in EST time zone?

United States is the primary country using EST (-5:00). Other countries include: Canada.

How many hours is IST ahead of EST?

IST is 10.5 hours ahead of EST.

Does India observe Daylight Saving Time?

No, India does not observe Daylight Saving Time. IST remains +5:30 throughout the year.