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Free TimeZone Converter | Fast & Accurate

IST to GMT Time Converter - India to Greenwich Mean Time

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Convert time between India (IST) and UK (GMT/BST) instantly with our free timezone converter. Perfect for scheduling international meetings, calls, and coordinating across time zones with automatic DST adjustments.

Popular conversions: IST to PST, EST to GMT, UTC to IST, PST to EST, CST to EST, IST to EST, GMT to EST, UTC to EST, EST to UTC, PST to IST

Quick Time Zone Conversions

IST PST EST GMT UTC IST CST EST
PST EST IST EST GMT IST UTC PST GMT PST EST PST

Complete Timezone Conversion Tables

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Tuesday, July 8, 2025
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Understanding IST to GMT Time Conversion

What is Indian Standard Time (IST)?

Indian Standard Time (IST) is UTC+5:30. Major cities include Mumbai, Delhi, Bangalore, Kolkata, Chennai, Hyderabad. India uses a single time zone with a half-hour offset and does not observe Daylight Saving Time.

What is Greenwich Mean Time / British Summer Time (GMT)?

Greenwich Mean Time / British Summer Time (GMT) is UTC+0 / UTC+1. Major cities include London, Edinburgh, Manchester, Liverpool, Cardiff, Dublin. Switches to BST (UTC+1) in March and back to GMT (UTC+0) in October.

IST to GMT Time Difference

The time difference between IST and GMT varies based on Daylight Saving Time. Use our converter above for accurate, real-time conversions that automatically account for DST changes in both time zones.

How Daylight Saving Time Affects IST to GMT Conversion

India does not observe Daylight Saving Time. United Kingdom observes Daylight Saving Time. Our converter automatically adjusts for these changes to provide accurate conversions year-round.

Frequently Asked Questions

How do I convert IST to GMT?

To convert IST to GMT, use our free time zone converter above. Simply select your time and date to see the instant conversion. Our tool automatically accounts for Daylight Saving Time changes in both time zones.

What is the time difference between IST and GMT?

The time difference between IST and GMT varies depending on whether Daylight Saving Time is in effect. Use our converter above for the most accurate, real-time time difference.

What is the best time for meetings between IST and GMT zones?

The best meeting time between India (IST) and United Kingdom (GMT) depends on business hours in both locations. Use our advanced meeting planner below to find overlapping work hours that suit both time zones.

Does India observe Daylight Saving Time?

India does not observe Daylight Saving Time. IST remains constant year-round, which simplifies conversions.

What cities are in the IST timezone?

Major cities in the IST timezone include Mumbai and other cities in India. This timezone does not observe Daylight Saving Time.

What cities are in the GMT timezone?

Major cities in the GMT timezone include London and other cities in United Kingdom. These cities switch between GMT and BST for Daylight Saving Time.

How do I schedule calls between India and United Kingdom?

For calls between India (IST) and United Kingdom (GMT), use our converter to find mutually convenient times. Always specify both local times in meeting invites to avoid confusion, and account for Daylight Saving Time changes.

Need more help? Check our complete FAQ section.

View Complete FAQ

Americas

  • PST/PDT: Pacific Standard/Daylight Time (UTC-8/-7)
  • MST/MDT: Mountain Standard/Daylight Time (UTC-7/-6)
  • CST/CDT: Central Standard/Daylight Time (UTC-6/-5)
  • EST/EDT: Eastern Standard/Daylight Time (UTC-5/-4)
  • AST/ADT: Atlantic Standard/Daylight Time (UTC-4/-3)
  • BRT: Bras?lia Time (UTC-3)
  • ART: Argentina Time (UTC-3)

Europe & Africa

  • GMT/BST: Greenwich Mean Time/British Summer Time (UTC+0/+1)
  • CET/CEST: Central European Time/Summer Time (UTC+1/+2)
  • EET/EEST: Eastern European Time/Summer Time (UTC+2/+3)
  • MSK: Moscow Time (UTC+3)
  • WAT: West Africa Time (UTC+1)
  • CAT: Central Africa Time (UTC+2)
  • EAT: East Africa Time (UTC+3)

Asia & Pacific

  • IST: India Standard Time (UTC+5:30)
  • CST: China Standard Time (UTC+8)
  • JST: Japan Standard Time (UTC+9)
  • KST: Korea Standard Time (UTC+9)
  • AEST/AEDT: Australian Eastern Standard/Daylight Time (UTC+10/+11)
  • NZST/NZDT: New Zealand Standard/Daylight Time (UTC+12/+13)
  • HST: Hawaii Standard Time (UTC-10)

Popular Cities in These Timezones

IST Timezone Cities:

Mumbai, Delhi, Bangalore, Kolkata

GMT Timezone Cities:

London, Dublin, Edinburgh, Cardiff