IST to ICT Time Converter - Live World Clock

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

India (IST)

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10:57:44 PM
Thursday, August 20, 2026

Thailand (ICT)

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12:27:44 AM
Friday, August 21, 2026

Current Time Difference

IST is -1.5 hours behind ICT

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 ICT (Indochina Time)?

Indochina Time (ICT) used in Southeast Asia, UTC+7:00.

Countries and Regions Using ICT

Primary Country:

  • Thailand

Also Used By:

  • Vietnam
  • Cambodia
  • Laos

Key Facts about ICT:

  • ✓ Major manufacturing hub
  • ✓ Tourism centers
  • ✓ No DST observed
  • ✓ Major Cities: Bangkok, Hanoi, Ho Chi Minh City, Jakarta
  • ✓ UTC Offset: +7:00

IST to ICT Time Difference

Standard Time Difference:

IST is -1.5 hours behind

Common Use Cases:

  • • Business meetings between India and Thailand
  • • 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 ICT time zone?

Thailand is the primary country using ICT (+7:00). Other countries include: Vietnam, Cambodia, Laos.

How many hours is IST ahead of ICT?

IST is -1.5 hours behind ICT.

Does India observe Daylight Saving Time?

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