GMT to IST Converter
India Time (IST) is 4.5 hours ahead of UK Time (GMT / BST).
Quick Reference
- UK Time
- BST (GMT+1)
GMT starts on Oct 25, 2026
- India Time
- IST (GMT+5:30)
No Daylight Saving Time
Cities in GMT
Cities in IST
Frequently Asked Questions
- What is the difference between GMT and IST?
- IST is 4.5 hours ahead of GMT.
- How do I convert GMT to IST?
- To convert from GMT to IST, add 4.5 hours. Use the interactive converter on this page to convert specific times.
- What cities are in GMT and IST?
- Cities in GMT include London, Birmingham, Glasgow, Manchester, Sheffield. Cities in IST include Mumbai, Delhi, Bengaluru, Hyderabad, Ahmedabad.